17
NOTE:
The service operations as described in the section above shall only be carried
out by qualified installer/personnel who are well trained within their respective fields.
In areas where hard water conditions are present, this service may need to be per-
formed more frequently (such as every 4-6 months).
Fault/Error Possible Cause
Recommended
Action/Remark
Heat pump
does not start.
• Geyser temperature is
(<55°C).
• Circuit breaker off.
• Heat pump protection Error.
• Loose electrical connections.
• Unit failure.
• Check water temperature.
• Check Circuit Breaker.
• Identify the Error and attempt to correct.
• Contact an Electrician.
• Contact the Installer.
Fan does not
work
• High air temperature (> 35°C).
• Physical obstruction.
• Fan failure.
• Check the air temperature
• Check if the fan rotates freely and that no
restrictions are present.
• Contact the Installer.
Heat pump
works with
insufficient
heating.
• Very cold air temperature
(<2°C).
• Finned coil is dirty.
• Obstacle blocks air inlet/
outlet.
• Fan not running.
• Check the air temperature.
• Clean the finned coil as per maintenance
section.
• Remove the obstacle.
• Contact the installer.
P01
Water inlet temperature sensor
failure.
In case of any of these failures the
Installer must be contacted to check
the connections and replace sensor if
required.
P02
Evaporator coil temperature
failure.
P03
Compressor discharge
temperature sensor failure.
P04
Ambient temperature sensor
failure.
P05 HP Switch failure.
P06 LP Switch failure.
P07
Too high compressor discharge
temperature.
• Switch off main power supply to the
heat pump, wait 30 seconds and switch
on again.
• Clean strainer and open a hot water tap to
flush/prime the water lines.
• Check municipal water supply pressure.
• Contact the installer to open and clean
water circulation pump.
Heat pump self-protection codes
7.3
NOTE:
Please make use of the following table to do troubleshooting if an error or fault
occurs. If the problem persists shut down the system and switch off the main power
supply or activate the crossover switch as described in this guide. Hereafter, contact
your installer for assistance.
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