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Idiomas disponibles
Idiomas disponibles
9 Trouble shooting
Only allow qualified electricians to remedy faults on the electrical system.
Only allow qualified specialist technicians to do other troubleshooting and repair
work.
Faults
Pump is not running
although the power
supply is switched on
Pump is running but
there is no circulation
Pump making
noises
Pump is not reaching
the set minimum
temperature
Salmson
Causes
Electrical fuse defective
Pump has no voltage
Circulation pipe is not filled/
vented
Cavitation due to insufficient
suction pressure
Storage tank temperature
too low
Taps opened
Cold water flowing into the
circulation pipe
Excessive heat losses because
piping is not adequately
insulated
Remedy
Check fuses
Resolve the power interruption
Fill and vent the circulation pipe
Increase the system pressure
within the permissible range
Check the delivery head and set
it to a lower head if necessary
Check storage tank temperature
and increase if necessary
Close taps and check if the pump
reaches the minimum
temperature then
Install non-return valves
Insulate piping or check the
insulation
English
33
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