Error messages
57
Service instructions
Switch unit on and measure voltage at main
contactor Q1, terminals A1 and A2. Is voltage
present at the main contactor (switched on)?
Does the fault message appear only after a longer period of operation or at high temperatures?
At 85°C in the area at the back, the unit de-energizes
the main contactor Q1 via the thermal switch B0. The
fault message appears. The reason may be a non-
functioning hood motor. Test hood operation.
No voltage present. There is an error in the STL
circuit.
Voltage present. There is an fault in the fan area.
Has the safety temperature limiter tripped?
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No
No
Yes
Yes
Check thermal switch B0 for proper operation. Is the
contact closed when cold?
Reset the safety temperature limiter. Check solid-
state relay and replace if necessary.
Thermal switch defective.
Check fuse F3 on control board A1. Has the fuse
blown?
Check the following components in this order for a
short-circuit:
- Main contactor Q1
- Solenoid valve K12
- WaveClean pump G16
-Siphon pump G24
-Control board
Yes
No
Yes
No
Yes
FM06-078A
Summary of Contents for FSDE 610.610
Page 6: ...Directory of contents 6 Service instructions FM06 078A...
Page 64: ...Error messages 64 Service instructions FM06 078A...
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