Maintenance And Service; Troubleshooting - THORLABS SPDMA Operation Manual

SPDMA

4 Maintenance and Service

4 Maintenance and Service
Protect the SPDMA from adverse weather conditions. The SPDMA is not water resistant.
Attention
To avoid damage to the instrument, do not expose it to spray, liquids or solvents!
The unit does not need regular maintenance by the user. It does not contain any modules
and/or components that could be repaired by the user. If a malfunction occurs, please contact
Thorlabs for return instructions.
Do not remove covers!

4.1 Troubleshooting

APD over temperature indicated
The temperature control circuit recognized that the actual temperature of the APD exceeded
the set point. Under normal operation conditions this should not happen, even after long term
operation. However, increase beyond the limits of the specified operating temperature range or
excessive thermal radiation on the detector can cause an overtemperature alert. The Status
LED will turn to red to indicate overheating.
Ø
Ensure enough air flow around the device or provide external passive cooling.
Rev: 1.0, 08-Dec-2021 © 2021 Thorlabs Page 7