Henny Penny SpaceSaver Plus Team Service Instructions Manual page 57

Does the fault message appear only after a longer period of operation or at high temperatures?
No
Switch unit on and measure voltage at main
contactor Q1, terminals A1 and A2. Is voltage
present at the main contactor (switched on)?
No
No voltage present. There is an error in the STL
circuit.
Has the safety temperature limiter tripped?
No
Check thermal switch B0 for proper operation. Is the
contact closed when cold?
No
Thermal switch defective.
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.
Voltage present. There is an fault in the fan area.
Continued on next page
Reset the safety temperature limiter. Check solid-
state relay and replace if necessary.
Check fuse F3 on control board A1. Has the fuse
Check the following components in this order for a
- Main contactor Q1
- Solenoid valve K12
- WaveClean pump G16
-Siphon pump G24
Service instructions
Error messages
Yes
Yes
Yes
Yes
blown?
Yes
short-circuit:
-Control board
57