V 01/2016
RT100 Control System Fault Rectification 59
Error message Rectification
Phase missing Check the mains, input conductor and pump motor
Motor contactor malfunction Check motor contactor and if required, replace it
Temperature sensor Sn1 failure Replace temperature sensor Sn1
Temperature sensor Sn2 failure - switched to outlet
control
Replace temperature sensor Sn2
Temperature sensor Sn3 failure Replace temperature sensor Sn3
System pressure sensor failure Replace the system pressure sensor
System pressure sensor inactive Activate the system pressure sensor
Power failure
Failure of the power supply or temperature control
unit not switched off properly
Safety thermostat is activated
Temperature control unit has become too hot - deter-
mine the cause and reset the thermostat
Temp. monitor cooling act, cooling disabled Check the cooling and cooling water flow
Frequency converter alarm Remedy the frequency converter fault
Turn on time refill exceeded
Check the cooling water circuit and the cooling circuit
for leaks
Level 1 underrun Refill heat transfer medium
System Errors/System Notes
Error message Rectification
Memory stick missing Insert memory stick
AD converter failure Replace the base module
Attention - temperature control cabinet too high
Place the temperature control unit in a place with low
ambient temperature
Incompatible data on stick Load current software version
Communication failure
Check the connection between the front panel and the
base module
Software version error
Re-load software (applies to front panel and base
module)
Data corrupt on stick
Insert new memory stick and re-load device parame-
ters
Current settings lost / factory settings loaded Carry out a new client-specific settings parameterise
Settings defect / data not loaded Replace the memory stick
No data on USB stick or wrong file extension Load the correct data on USB stick
More than 1 file on USB stick Load the correct data on USB stick
Data failure - no data loaded from USB stick Load the correct data on USB stick
Option not activated Activate the option
DEMO MODE / Pump current measurement inactive System message without remedial action
Saving data Data saving in progress
Data saved Data saving finished
Data error - no data saved to USB stick Replace the USB stick
Pump is off or has wrong direction Adjust the pump rotating field
Please close tap Close the tap on the outlet
Calibration done - please open tap Open the tap on the outlet
Clean the filter Clean the external filter
External set-point signal disconnected or not available Connect the external set-point signal
RTC Error or empty battery - Time and date settings Set the correct date/time and/or replace the battery on