Surgical lights · BLUELINE family

Hanaulux BLUELINE: troubleshooting and error codes

The ServiceForge knowledge base holds 16 documented symptoms for the Hanaulux BLUELINE, with 25 ranked causes, 17 diagnostic checks with test points and expected values, and 9 error codes. Each symptom below shows its causes and the first check; the rest is one connection away. Connect ServiceForge to your AI

Symptoms

Light spot is not round

Illuminated area is not circular or has distorted shape

Ranked causes

1. Unsuitable bulb(s) used (occasional)
2. Incorrect bulb position (occasional)
3. Main bulb faulty (occasional)

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

Lighthead does not turn on

Surgical light does not illuminate when powered on

Ranked causes

1. Faulty or missing bulb (common)
2. Power cut (occasional)
3. Other reason (unknown)

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

Illumination too bright or too dim

Light output intensity is incorrect - either excessive or insufficient

Ranked causes

1. Supply voltage incorrect (common)
2. Defective bulb (occasional)

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

Lighthead drifts patient safety

Surgical light position shifts or moves unintentionally during use

Ranked causes

1. Suspension tube not vertical (common)
2. Ceiling structure unstable (rare)

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

Lighthead too flexible or too rigid to manoeuvre

Lighthead positioning is either too loose or too difficult to adjust and hold position

Ranked causes

1. Brake incorrectly adjusted (common)
2. Insufficient lubrication (occasional)

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

Spring arm springs up abruptly when removing lighthead patient safety

Spring arm lacks restraint and poses hazard during lighthead removal or installation due to disabled safety mechanism.

Ranked causes

1. Spring arm not properly disabled before removal (common)
2. Locking pin not inserted or inserted insufficiently (BLUE 80) (occasional)

First check

Verify spring arm is disabled (BLUE 30)

Test point: Two taper-head hex socket screws
Expected: Both screws removed and spring arm immobilized

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

Sterilisable handle does not fit properly in mount patient safety

Handle cannot be properly seated or secured in its mounting location

Ranked causes

1. Sterilisation parameters (temperature, time) exceeded (occasional)
2. Maximum service life exceeded or handle deformed (occasional)

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

Bulb failure or end of life caution

Surgical light bulb no longer illuminates or is nearing end of service life

Ranked causes

1. Bulb has blown or reached end of life (600 hours for BLUE 30, 750 hours for BLUE 80) (common)

First check

Verify bulb life for BLUE 30

Test point: Operating hours
Expected: 600 hours or less since last bulb change

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

Bulb service life too short

Bulbs fail or burn out prematurely before expected service life

Ranked causes

1. Non-compliant bulbs used or voltage surges occur (common)

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

Calibration: BLUE 30/80 HOSPITAL battery and mains operation check

Routine check before each use to ensure light operates correctly on mains and battery power; battery autonomy test performed annually.

Ranked causes

1. Routine preventive maintenance required (common)

First check

Verify mains supply: Plug light into power outlet and turn on

Test point: LED 1
Expected: LED 1 green

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

Light flickers

Surgical light output flickers intermittently during operation

Ranked causes

1. Contact problem (unknown)

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

Lighthead does not remain steady in all positions caution

Lighthead drifts or does not hold position after adjustment, indicating brake wear or misalignment.

Ranked causes

1. Brake worn or loose (common)

First check

Verify lighthead holds position in all angles after brake adjustment

Test point: Lighthead fork and spring arm
Expected: Lighthead remains steady without drifting

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

Lighthead exceeds desired maximum height on BLUE 80 patient safety

BLUE 80 suspension arm extends higher than desired ceiling height

Ranked causes

1. Lighthead travel limit not set to match ceiling height (occasional)

First check

Position lighthead at maximum desired height

Test point: Spring arm fully extended
Expected: Lighthead at or below ceiling clearance

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

Spare bulb activated in BLUE 80 caution

Yellow indicator on underside of BLUE 80 lighthead is lit, indicating spare bulb is in use

Ranked causes

1. Main bulb has failed and spare bulb has automatically switched on (common)

First check

Observe yellow indicator

Test point: Underside of BLUE 80 lighthead
Expected: Yellow indicator is lit

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

Spring arm does not remain steady in positions patient safety

BLUELINE suspension arm droops or moves unexpectedly when positioned

Ranked causes

1. Spring force in suspension arm is insufficient (common)

First check

Test spring arm steadiness

Test point: All positions along arm travel
Expected: Lighthead remains in position without drifting up or down

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

Unnatural colours

Light output displays incorrect or unnatural colours

Ranked causes

1. Unsuitable bulb(s) used (common)

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

Error codes

Code	Meaning	Trigger	Severity
`LED 1 flashes red`	Main power indicator flashes red instead of steady green	Light connected to mains power	error
`LED 1 not lit green (on mains)`	Light plugged in but LED 1 does not illuminate green	Light connected to power outlet and turned on	error
`LED 2 lit yellow (on mains)`	Battery indicator LED 2 illuminates yellow while on mains power	Light connected to power outlet	warning
`LED 2 not lit yellow (on batteries)`	Battery indicator LED 2 does not illuminate yellow when light is on battery power	Light powered by batteries only (mains disconnected)	error
`LED 3 lit red and LED 1 lit red`	Both main indicator and charge level indicator show red	Light operating on battery power with very low charge	critical
`LED 4 flashes`	Battery charge indicator shows low battery condition	Light operating on battery power with low charge remaining	warning
`LEDs 3 to 8 not scrolling; LED 8 not lit`	Charging progress indicators do not scroll and final charge indicator LED 8 does not illuminate	Light connected to mains power and turned on during charging	error
`Light goes out when power outlet is disconnected`	Light cannot operate on batteries even though mains is connected normally	Switching from mains to battery power	critical
`None of LEDs 3 to 8 lit (on batteries)`	Battery charge level indicators do not illuminate when light is on battery power	Light powered by batteries only	error

Likely causes and actions for each code 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.