Trouble shooting guide
32
7. Trouble shooting guide
+
ACTUAL
SET
Whenever the microprocessor electronics registers a
failure, an alarm is triggered and a
complete
shutdown
is performed.
The alarm light illuminates and an audible signal is
triggered. An error message appears on the MULTI-
DISPLAY (LED 2).
Internal error
High temperature alarm
Low temperature alarm
The values reported by the safety sensor and the
sensor in the feed connector differ by more than 25 K
(defective sensor).
Low liquid level alarm
⎫
⎪
⎪
⎬
Internal errors
⎪
⎪
⎭
Pump disconnection
Compressor disconnection
Heater disconnection
Turn the unit off with the mains switch (1), and
eliminate the malfunction. If the unit cannot be returned
to operation, contact an authorized service station.