Ultrasonic cleaning systems

Steris Reliance: troubleshooting and error codes

The ServiceForge knowledge base holds 12 documented symptoms for the Steris Reliance, with 41 ranked causes, 27 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

Intermittent operation

System operates inconsistently or stops and restarts unexpectedly during cycle

Ranked causes

1. Faulty power cord connection (common)
2. Facility power fluctuating (occasional)
3. Air filter plugged (common)
4. Dryer intake plugged (common)
5. Internal system fault (rare)

First check

Inspect power cord connection

Test point: Power cord and outlet
Expected: Secure connection with no visible damage

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

Intermittent operation during rinse/dry phase

System operates inconsistently or stops and restarts unexpectedly during rinse-dry cycle

Ranked causes

1. Faulty power cord connection (common)
2. Facility power fluctuating (occasional)
3. Air filter plugged (common)
4. Dryer intake plugged (common)
5. Internal system fault (rare)

First check

Inspect power cord connection

Test point: Power cord and outlet
Expected: Secure connection with no visible damage

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

Poor Wash Cycle, poor load cleaning

Instruments and load are not adequately cleaned after completing wash cycle

Ranked causes

1. Incorrect detergent type (common)
2. Not enough detergent (common)
3. Cycle time incorrect (occasional)
4. Solution temperature incorrect (occasional)
5. Internal system fault (rare)

First check

Verify detergent type matches STERIS recommendation

Test point: Detergent container label
Expected: STERIS recommended detergent

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

CLEANING Chamber does not drain when Drain pushbutton is pressed

Cleaning chamber fails to empty when Drain button is activated

Ranked causes

1. Faulty power cord connection (occasional)
2. Chamber strainer plugged (common)
3. Y strainer plugged (common)
4. Internal system fault (rare)

First check

Inspect power cord connection

Test point: Power cord and outlet
Expected: Secure connection with no visible damage

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

Unit does not activate when Start/Reset pushbutton is pressed

System fails to start when operator presses Start/Reset button during cleaning or rinse/dry phase

Ranked causes

1. Unit not plugged into facility power (common)
2. Facility power not available (occasional)
3. Access door not closed properly (common)
4. Internal system fault (rare)

First check

Verify unit is plugged into facility power

Test point: Power outlet and unit plug
Expected: Unit plugged in securely

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

Detergent not added during Wash Cycle

Detergent is not dispensed into cleaning chamber during wash cycle despite system operation

Ranked causes

1. Detergent bottle empty (common)
2. Detergent injection hose not in detergent container (common)
3. Internal system fault (rare)

First check

Check detergent bottle level

Test point: Detergent bottle
Expected: Bottle contains adequate detergent

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

Instrument lubrication not added during Rinse phase of Wash Cycle

Instrument lubrication is not dispensed into rinse-dry chamber despite Lube button being pressed

Ranked causes

1. Instrument Lubrication bottle empty (common)
2. Instrument Lubrication injection hose not in detergent container (common)
3. Internal system fault (rare)

First check

Check lubrication bottle level

Test point: Instrument Lubrication bottle
Expected: Bottle contains adequate lubrication

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

Poor Rinse/Dry phase of Wash Cycle, poor load rinsing and/or drying

Instruments are not adequately rinsed or dried after completing rinse-dry cycle

Ranked causes

1. Cycle time incorrect (occasional)
2. Dryer not functioning correctly (occasional)
3. Internal system fault (rare)

First check

Verify cycle time is set correctly

Test point: Cycle time setting
Expected: Per Section 3.3.1 Step 6

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

RINSE-DRY Chamber does not drain

Rinse-dry chamber fails to empty when drain cycle is initiated

Ranked causes

1. Chamber strainer plugged (common)
2. Y strainer plugged (common)
3. Internal system fault (rare)

First check

Inspect chamber strainer

Test point: Chamber strainer screen
Expected: Strainer clean and unobstructed

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

CLEANING Chamber does not fill when Fill pushbutton is pressed

Cleaning chamber fails to fill with solution when Fill button is activated

Ranked causes

1. Facility supply not available (occasional)
2. Internal system fault (rare)

First check

Verify facility water supply is available

Test point: Facility supply connection
Expected: Water supply available and connected

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

Loud whistle coming from CLEANING Chamber

Audible whistling sound emanates from cleaning chamber during operation

Ranked causes

1. Not enough solution in Chamber (common)
2. Internal system fault (rare)

First check

Check solution level in cleaning chamber

Test point: Cleaning Chamber
Expected: Solution level adequate

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

No rinse water is seen/heard in RINSE-DRY Chamber when Start/Reset pushbutton is pressed

Rinse water fails to flow into rinse-dry chamber during rinse phase despite button activation

Ranked causes

1. Facility supply not available (occasional)
2. Internal system fault (rare)

First check

Verify facility water supply is available

Test point: Facility supply connection
Expected: Water supply available and connected

2 corrective actions 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.