Fault
description
Cause
Remedy
Module over-
temperature
The air supply to
the module
cooling element
is restricted
The motor is switched off if an overtemperature situation occurs. A
restart occurs after 30 seconds. After the motor has been switched off
for the fifth time, it is switched off permanently. This can only be reset by
switching the power off for more than 30 seconds. The SSM relay is
active as long as the internal error counter is not ZERO.
Cable break
Control is defec-
tive, control line
is defective
A cable break is registered for the pumps that are controlled via a 0-10
V signal and that are equipped with software with a cable break function
if the inbound control signal is less than 0.5 V. The pump turns at min-
imum speed.
REMKO PUMP GROUPS HGM / HGU
24
