Test equipment light sources

Integra MLX: troubleshooting and error codes

The ServiceForge knowledge base holds 6 documented symptoms for the Integra MLX, with 18 ranked causes, 1 diagnostic checks with test points and expected values, and 4 error codes. Each symptom below shows its causes and the first check; the rest is one connection away. Connect ServiceForge to your AI

Symptoms

No light output

Unit is powered on but no light is being emitted from the output

Ranked causes

1. Light source not turned on (common)
2. Bad or no lamp (common)
3. Attenuator closed (occasional)
4. Turret mispositioned (occasional)
5. Blown fuse (occasional)
6. Cooling system obstructed (occasional)
7. System overheated (occasional)

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

Reduced light output

Light output level is lower than expected or dimmer than normal

Ranked causes

1. Cable mismatched to turret (common)
2. Attenuator mispositioned (occasional)
3. Bad lamp (occasional)

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

Unit does not power on

Light source is not powering up or responding to power button

Ranked causes

1. Light source not plugged in (common)
2. Top cover not closed (common)
3. System overheated (occasional)

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

Lamp shroud shows signs of melting caution

Lamp shroud is melting or showing heat damage

Ranked causes

1. Cooling system obstructed (common)
2. System overheated (common)

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

System shuts down during use

Light source powers down or shuts off unexpectedly while operating

Ranked causes

1. Cooling system obstructed (common)
2. System overheated (common)

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

Unit does not respond to power switch caution

System fails to power on when switch is activated

Ranked causes

1. Fuse blown (common)

First check

Visually inspect fuses in power entry module for blown condition

Test point: Power entry module, red plastic block
Expected: Fuse filament intact and continuous

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

Error codes

Code	Meaning	Trigger	Severity
`Attenuator motor failure`	Attenuator motor is not functioning properly	Motor failure detected during attenuator operation	error
`Fan failure`	Cooling fan has failed or is not operating	Fan failure detected by system	error
`Lamp change`	Lamp module requires replacement after 1000 hours of use	Lamp will blink after 1000 hours of operation	warning
`Lamp overheat`	Lamp temperature has exceeded safe operating limits	Lamp temperature sensor detects overheat condition	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.