Surgical operating room systems · OER-PRO family

Olympus OER-Pro: troubleshooting and error codes

The ServiceForge knowledge base holds 44 documented symptoms for the Olympus OER-Pro, with 57 ranked causes, 94 diagnostic checks with test points and expected values, and 0 error codes. Each symptom below shows its causes and the first check; the rest is one connection away. Connect ServiceForge to your AI

Symptoms

Calibration: Top cover position adjustment

Top cover gasket alignment and gap between front panel and cover hook must be verified and adjusted if necessary after replacement or detachment.

Ranked causes

1. Top cover gasket misaligned (occasional)
2. Gap between front panel and cover hook out of specification (occasional)
3. Top cover operation irregular (common)

First check

Inspect top cover gasket alignment

Test point: Top cover gasket around cleaning tub
Expected: Gasket evenly engaged on all sides

4 more checks with pass and fail actions, 3 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Flow of water in the reprocessing basin is weaker than before

Reduced water flow rate in the reprocessing basin during operation

Ranked causes

1. Improper installation of water filter (occasional)
2. Clogging of water filter (common)
3. Clogging of the mesh filter in the water supply hose connector (occasional)

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Panel display disappears completely during a process caution

Display screen goes dark or blank while equipment is running

Ranked causes

1. Power cord is disconnected from the power outlet (common)
2. Circuit breaker is activated (occasional)
3. A power failure occurred (occasional)

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Bacteria was detected in culture test of a reprocessed scope patient safety

Culture test of reprocessed endoscope shows positive bacterial growth

Ranked causes

1. Expiration of service life of filters, degradation of disinfectant solution, etc. (common)
2. Water supply piping is not disinfected (occasional)

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Bacteria was detected in culture test of rinsing water collected from the device patient safety

Culture test of rinsing water sample from equipment shows positive bacterial growth

Ranked causes

1. Expiration of service life of filters, degradation of disinfectant solution, etc. (common)
2. Water supply piping is not disinfected (occasional)

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Gas filter maintenance due

Gas filter requires routine replacement every month to maintain OER-Pro system operation

Ranked causes

1. Scheduled gas filter maintenance interval (common)
2. Scheduled gas filter maintenance interval (front) (common)

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Odor of disinfectant solution stronger than before caution

Operator detects increased odor intensity from the equipment during operation

Ranked causes

1. Gas filter has expired (common)
2. Disinfectant solution is leaking (occasional)

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Printed paper is not output from the printer

Equipment printer fails to produce printed output or paper not ejecting

Ranked causes

1. Printer paper roll has run out (common)
2. Paper jam (occasional)

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

The lid cannot be closed caution

Equipment lid will not close fully or is stuck in the open position

Ranked causes

1. The lid is locked (occasional)
2. Internal components are pressing against the lid (occasional)

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Water filter pressure differential high

1 micron or 0.45 micron water filter shows pressure differential (ΔP) of 20 to 35 psi, indicating filter saturation

Ranked causes

1. 1 micron water filter (MF01-0014PL) saturated (common)
2. 0.45 micron water filter (MF01-0015PL) saturated (common)

First check

Measure pressure differential across 1 micron water filter (MF01-0014PL)

Test point: Pre-filtration system inlet/outlet
Expected: >/= 20 to 35 psi indicates saturation, 20 to 35 psi

1 more check with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

1 micron water filter pressure differential exceeds threshold

Pre-filtration system 1 micron water filter shows pressure differential of 20 to 35 psi or greater, indicating filter saturation or blockage

Ranked causes

1. 1 micron water filter saturated or blocked (common)

First check

Monitor 1 micron water filter pressure differential

Test point: 1 micron water filter pressure gauge
Expected: ∆ P of >/= 20 to 35 psi

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Abnormal noise from the device caution

Equipment produces unusual, unexpected or loud sounds during operation

Ranked causes

1. Internal problem with the device (unknown)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Air filter maintenance due

Air filter requires routine replacement every month to maintain OER-Pro system operation

Ranked causes

1. Scheduled air filter maintenance interval (common)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Air filter replacement due

Air filter requires monthly replacement per maintenance schedule to maintain system performance and air quality

Ranked causes

1. Monthly air filter replacement interval reached (common)

First check

Verify monthly air filter replacement interval

Test point: OER-Pro front air filter location
Expected: Filter replaced every month

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Alcohol and detergent pump and tube replacement caution

Replace DA pump units (alcohol and detergent) and detergent tubes including removal of residual fluid

Ranked causes

1. Alcohol or detergent pump units or tubes worn or leaking (unknown)

First check

Connect maintenance tool and turn on power

Test point: Maintenance tool connection
Expected: Power on and connected

5 more checks with pass and fail actions, 4 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Bottle sensor position caution

Bottle cap cutter, guide unit, tray unit, sensor unit, or sensor tray unit replaced or removed; requires front and inner sensor positioning and lock verification.

Ranked causes

1. Bottle sensor (front and inner) not detecting at correct positions after component replacement (common)

First check

PC and OER-Pro connected via RS232C communication cable

Test point: Communication cable connection
Expected: Connected; OER-Pro and PC powered on; maintenance tool running

14 more checks with pass and fail actions, 6 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Disinfectant solution bottle insertion caution

Bottle cap cutter, guide unit, tray unit, or tank unit replaced or removed; requires height and position adjustment so cutter centers on solution tank.

Ranked causes

1. Bottle cap cutter not centered on disinfectant solution tank after component replacement (common)

First check

Disinfectant bottle positioned in tray and tray pushed into guide

Test point: Disinfectant bottle tray position
Expected: Tray fully inserted into guide unit

4 more checks with pass and fail actions, 4 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: R cam parallel adjustment

R cam behind front panel must be parallel to ensure proper operation. Primary adjustment may not achieve parallelism; secondary adjustment required.

Ranked causes

1. R cam not parallel after primary adjustment (occasional)

First check

Verify R cam is parallel

Test point: R cam location behind front panel
Expected: Parallel position

1 more check with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Relief valve pressure high voltage

Relief valve and CH pump unit replaced; requires water circulation and pressure adjustment so CH pressure sensor reads 180-200 kPa.

Ranked causes

1. Relief valve pressure not within 180-200 kPa range after component replacement (common)

First check

Connector jig attached to all 4 connectors

Test point: 2 gray and 2 yellow connectors on equipment
Expected: Jig seated firmly on all 4 connectors

17 more checks with pass and fail actions, 8 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Top cover position and gap caution

Top cover unit and hinge unit replaced or detached; requires adjustment of hinge position, packing contact, gap clearance, and opening angle.

Ranked causes

1. Top cover hinge position not aligned; gap and packing contact incorrect after component replacement (common)

First check

Gap between tub and top cover when closed

Test point: Space between edge of cleaning tub and top cover
Expected: 4.0 ± 0.5 mm
Tools: Ruler, feeler gauge, or measurement tool

10 more checks with pass and fail actions, 9 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Cleaning fluid remains in the reprocessing basin patient safety

Cleaning solution still present in basin after process termination

Ranked causes

1. STOP/RESET button was pressed during cleaning process (common)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Connecting tube cannot be connected

Failure to connect the connecting tube to the equipment or endoscope

Ranked causes

1. Not using the appropriate connecting tube (common)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Disinfectant solution is judged to be ineffective with the test strip patient safety

Test strip indicates the disinfectant solution is no longer effective or expired

Ranked causes

1. Expiration of the service life of the disinfectant solution (common)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Disinfectant solution remains in the reprocessing basin patient safety

Disinfectant fluid still present in basin after process termination

Ranked causes

1. STOP/RESET button was pressed during disinfection process (common)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Endoscopes were not precleaned before being reprocessed patient safety

Scopes inserted into equipment without prior manual cleaning and preparation

Ranked causes

1. Operator omitted precleaning step (unknown)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Fluid leaks from the disinfectant removal port caution

Disinfectant solution or fluid leaking from the disinfectant removal port

Ranked causes

1. Something is clogging the disinfectant removal port (common)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Gas filter replacement due

Gas filter requires monthly replacement per maintenance schedule to maintain system performance

Ranked causes

1. Monthly gas filter replacement interval reached (common)

First check

Verify monthly gas filter replacement interval

Test point: OER-Pro gas filter locations (top and front)
Expected: Filters replaced every month

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Gasket and air/water/instrument channel connector replacement caution

Replace gaskets and air/water/instrument channel connectors on cleaning tub, verify no leakage around CH block

Ranked causes

1. Gaskets or connectors worn or leaking (unknown)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Internal problem with the device caution

Equipment exhibits internal malfunction detected during operation or inspection

Ranked causes

1. Unspecified internal malfunction (unknown)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Maintenance: Alcohol and detergent pump and tube replacement caution

Alcohol and detergent pump units and associated tubing require replacement per maintenance schedule.

Ranked causes

1. Pump or tube degradation or blockage (unknown)

First check

Preparation: Connect maintenance tool

Test point: Maintenance tool software and equipment connection
Expected: Maintenance tool connected and operational

15 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Maintenance: O-ring replacement on auxiliary water/forceps elevator connector

O-ring on auxiliary water/forceps elevator connector requires periodic replacement to maintain seal.

Ranked causes

1. O-ring wear or degradation (unknown)

First check

Position fingers on O-ring at 9 and 3 o'clock positions

Test point: O-ring on auxiliary water/forceps elevator connector
Expected: Fingers correctly positioned for removal

2 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Maintenance: O-ring replacement on leak tester air connector

O-ring on air leak tester connector requires periodic replacement to maintain seal integrity.

Ranked causes

1. O-ring wear or degradation (unknown)

First check

Position fingers on O-ring at 9 and 3 o'clock positions

Test point: O-ring on air leak tester connector
Expected: Fingers correctly positioned for removal

2 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

O-ring replacement on air leak tester connector

Replace O-ring on leak tester air connector to prevent air leaks

Ranked causes

1. O-ring worn or damaged on air leak tester connector (unknown)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

O-ring replacement on auxiliary water/forceps elevator connector

Replace O-ring on auxiliary water/forceps elevator connector to prevent water leaks

Ranked causes

1. O-ring worn or damaged on auxiliary connector (unknown)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Panel display does not light in sequence when the device is turned on caution

Display panel fails to illuminate properly or sequentially during power-on

Ranked causes

1. Power switch is set to ON less than 5 seconds after it was set to OFF (common)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Relief valve replacement caution

Detach and replace the relief valve on the leakage test pump located under the leakage test block

Ranked causes

1. Relief valve requires replacement (unknown)

3 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Reprocessing operator feels sick during work patient safety

Operator experiences illness, discomfort or symptoms while operating the equipment

Ranked causes

1. The operator may be allergic to the disinfectant, detergent or alcohol (occasional)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Top cover bounds

Top cover bounces or oscillates at end of opening motion

Ranked causes

1. Absorber tension too low (common)

First check

Verify top cover opens smoothly and stops at correct angle

Test point: Top cover opening angle
Expected: 70 ±5° degrees, ±5°

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Top cover does not completely open

Top cover fails to reach full open position

Ranked causes

1. Absorber tension too high (common)

First check

Verify top cover opens smoothly and reaches full angle

Test point: Top cover opening angle
Expected: 70 ±5° degrees, ±5°

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Top cover opens fast

Top cover movement is rapid or uncontrolled during opening

Ranked causes

1. Absorber tension too low (common)

First check

Verify top cover opens smoothly and stops at correct angle

Test point: Top cover opening angle
Expected: 70 ±5° degrees, ±5°

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Top cover opens slow

Top cover movement is sluggish or delayed during opening

Ranked causes

1. Absorber tension too high (common)

First check

Verify top cover opens smoothly and stops at correct angle

Test point: Top cover opening angle
Expected: 70 ±5° degrees, ±5°

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Ultrasonic endoscopes cannot be placed on the retaining rack

Ultrasonic scope will not fit or seat properly on the retention rack

Ranked causes

1. Retaining rack for ultrasonic scopes is not used (common)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Water filter pressure differential exceeds threshold

Pre-filtration system water filter (0.45 micron) shows pressure differential of 20 to 35 psi or greater, indicating filter saturation or blockage

Ranked causes

1. 0.45 micron water filter saturated or blocked (common)

First check

Monitor water filter pressure differential

Test point: 0.45 micron water filter pressure gauge
Expected: ∆ P of >/= 20 to 35 psi

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Water leaks from the equipment caution

Water visible leaking from the equipment during operation or maintenance

Ranked causes

1. Improper installation of water filter housing (common)

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Community

0 fixes logged by technicians through their AI, with outcomes, for this model.

ServiceForge knowledge base record. Field-unverified unless technicians confirmed it. A teaching summary of the record, not a service manual. Export 2026-10-14.