Manual TT-180 - 13 -
symptom probable cause Correction
The nominal temperature will not be
reached.
Heating lamp is not lit,
unit is working.
- Temperature delimiter in the
controller switched the heating off.
Perhaps temperature delimiter set
too low.
- Check maximum temperature
setting on the controller
(see „Programming: Temperature
controller MP-888“).
Temperature has stopped rising.
Heating lamp is lit.
- solenoid valve of the water cooling
system not closed
- perhaps solenoid valve for water
cooling defective
- maybe too big consumer
- heating defective
- contactor of heating defective
- clean the solenoid valve,
check signal to valve and function
- repair or replace the solenoid
valve
- contact the supplier
- measure resistance of heating
- replace contactor
Unit is working, heating or cooling
system is not working.
- temperature controller defective - replace the temperature controller
CAUTION!
DISCONNECT THE UNIT FROM THE POWER SUPPLY
PRIOR TO ANY MANIPULATION ON THE UNIT.
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