16.
ERROR CONDITION AND RESET
Display indication
e0 – e16
e37
e38
e32-e35
e43-e45; e54
e39-e40
e21-e30
e31
e42
e56
e57 ; e58
ENGLISH
Description
Internal error
Low mains voltage (LP)
High mains voltage (HP)
Critical overheating of
electronic parts
Sensor signal absent
Protection against
overcurrent
Voltage Error
Twin communication
absent
Dry operation
Motor excess temperature
f < 100 Hz ; f > 5 kHz
44
Reset
- Switch off system power.
- Wait for the warning lights on the control
panel to go off, then power the system
again.
- If the error persists, change the
circulator.
- Switch off system power.
- Wait for the warning lights on the control
panel to go off, then power the system
again.
- Check that the mains voltage is correct,
if necessary reset it at the plate values.
- Switch off system power.
- Wait for the warning lights on the control
panel to go off, then power the system
again.
- Check that the mains voltage is correct,
if necessary reset it at the plate values.
- Switch off system power.
- Wait for the warning lights on the control
panel to go off.
- Check that the system ventilation ducts
are not blocked and that the environment
temperature of the premises is correct.
- Check sensor connection
- If the sensor is faulty, replace it
- Check that the circulator turns freely
- Check that any antifreeze added does
not exceed the maximum percentage of
30%.
- Switch off system power.
- Wait for the warning lights on the control
panel to go off, then power the system
again.
- Check that the mains voltage is correct,
if necessary reset it at the plate values.
- Check that the twin communication
cable is intact.
- Check that both circulators are powered.
- Put the system under pressure.
- Switch off system power.
- Wait for the motor to cool down
- Power the system again
Check that the PWM external signal is
operating and connected as specified.