30
Display Error Messages
Alarms and Warnings
In case of malfunction alarms and warning messages are indicated through the display.
Display Cause
Effect,
measurement
flashing display
(temperature
value)
Warning:
Over- undertemperature (limit
value +/- 2K from set point).
Thermoregulation continues.
F1-
flashing
malfunction sensor F1
broken or short circuit
Thermoregulation is inactive
(Pump off, compressor off,
heating off).
Please check sensor.
E1-
flashing
Inlet E1 indicates failure.
No release-signal, level-alarm.
Thermoregulation is inactive
(Pump off, compressor off,
heating off).
Check level.
Reset only possible if level ok.
E2-
flashing
Inlet E1 indicates failure.
Pump is running and
circulation is missing or Pump
is running and water pressure
is missing.
Thermoregulation is inactive
(Pump off, compressor off,
heating off).
Reset only possible if
disconnected from the power
supply.
E3-
flashing
Even though thermoregulation
is off, inlet E1 is indicating
circulation.
Thermoregulation is inactive
(Pump off, compressor off,
heating off).
Failure is being reset if inlet E1 is
open again in standby.
EP-
flashing
Loss of data in parameter
memory.
Thermoregulation is inactive
(Pump off, compressor off,
heating off).
Advice:
While error message is being indicated error and set point are displayed alternately.