Leica Biosystems CM1510-S - Manual (Page 38)

38 Instruction manual V 1.4 – 04/2010
7. Troubleshooting
Possible causes and remedies:
• Temperature in the immediate surroundings is constantly higher than
40 °C.
¤ Decrease temperature in the immediate surrounding area.
•
The required minimum distance of 10 cm to walls and furniture was
not kept when setting up the instrument.
¤ Install instrument at required minimum distance.
•
Ventilation grids of the condenser are dirty.
¤ Clean ventilation grids.
•
Compressor is running but there is no refrigeration.
¤ Call Leica Technical Service.
Fig. 25
Having eliminated the possible sources of error, press the thermal circuit
breaker (1) to turn the instrument back on. If the instrument fails to
switch on, call technical service.
7.2 Display error messages
Error messages are displayed on the panel. The following error mes-
sage might occur during normal operation:
Error Cause Remedy
105 Sensor broken Call technical service.
-55 Sensor short-circuited Call technical service.
7.3 Thermal circuit breaker (120V model only)
On the back of the cryostat there is a thermal circuit breaker (1). If the temperature of the cryo-
chamber exceeds 60 °C, the thermal circuit breaker is automatically activated and turns the in-
strument off.
1