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ALARM ON COMPRESSOR SUPERHEAT
To reset the alarm: Press “Ackn”.
Probable causes and actions:
• The working temperature of the compressor is too high.
Action: If the fault persists, contact the installer.
• Sporadic temperature rise due to abnormal operating conditions.
Action: Wait and see.
ALARM (GT6)
Compressor superheat
020312 16.08.15
Info Ackn.
PHASE SEQUENCE FAULT ALARM
(Only 3-phase units)
To reset the alarm: The alarm does not reset until the phase
sequence has been changed. Then the heat pump starts
automatically.
Probable causes and actions:
• Phase sequence to the heat pump is incorrect.
Action: The phase sequence to the incoming supply must be changed.
POWER FAILURE ALARM
To reset the alarm: The alarm resets itself and the heat
pump starts automatically when the fault has been corrected.
Probable causes and actions:
• One or two phases are missing to the heat pump.
Action: Check the fuse (or MCB) for your heat pump. If the small plate at the bottom has come loose
then the fuse is broken and must be replaced. If you have ciruit breakers that have tripped, reset by
pushing the switch upwards.
ELECTRIC WATER HEATER ALARM
To reset the alarm: Reset water heater’s MCB (pos 4) or
overheat protection (pos 5). Press “Ackn”.
Probable causes and actions:
• The electric water heater MCB has tripped
Action: Reset the MCB by pushing the switch upwards. If the MCB trips again then the water heater
is probably faulty, contact the installer.
• The electric water heater overheat protection has tripped
Action: Reset by pressing the button on heater’s protective cover until it clicks. It could depend on a
bad flow over the heater caused by the circulation pump standing still or clogged particle filter. Check
the filter and circulation pump.
ALARM (EK)
Electrical cassette
020312 16.08.15
Info Ackn.
ALARM
Power failure
020312 16.08.15
Info Ackn.
ALARM
3-phase incorrect
020312 16.08.15
Info Ackn.
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