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5.3
Troubleshooting
5.3.1
During Installation
Fault
Possible Cause(s)
Possible Solution
The appliance
does not deliver
hot water after
installation
Issue with Low
Temperature Heat Pump
Refer to Low Temperature Heat
Pump manual, the electric
override switch can be used to
supply hot water in this instance.
Given there are no issues with the
power supply to the Heat Battery.
Please note this will result in
higher electricity costs if this is
activated in a continuous mode.
Appliance not powered
or not powered correctly
Check wiring and power supply
and rectify where necessary
Non-self-resetting
thermal cut-out has
tripped
Make sure the appliance is full of
water and purge if necessary:
1.
Disconnect the power supply
2.
Open the electrical cover at the
base of the unit
3.
Reset the non-self-resetting
thermal cut-out
4.
Reassemble the unit, and
5.
Reconnect the supply.
If the problem persists, please
contact Sunamp Ltd.
LED D4 (power
symbol) is
rapidly flashing
Temperature sensor
string is faulty
Check that the sensor cable is
properly connected to the PCB
and that the connector block is
properly pushed in.
If the problem persists, please
contact Sunamp Ltd.
The flowrate
from the
appliance is
Air might still be trapped
in the system
Check that the mains supply valve
is fully opened.
Make sure the appliance is fully
de-aired and purge if necessary.
