39
lower than
expected
Incoming water pressure
is too low
Measure the incoming pressure
from the mains supply and
contact Sunamp Ltd.
Table 16: Installation Troubleshooting
5.3.2
After Installation or During Use
Warning:
This product does not contain any user-serviceable or user-
settable components. All fault-finding and fault-remediation works therefore
need to be carried out by a competent person
Fault
Possible Cause(s)
Possible Solution
No hot water
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.
Power supply has been
temporarily or permanently
disconnected.
Check power supply, If power supply
ON call your installer.
If power OFF, switch on and wait for
hot water. If power supply fails again
call installer.
The off-peak switch is not
on (if fitted)
Water leak
Various
Isolate the water and electricity
supply to the unit and contact your
installer.
Table 17: Post-installation troubleshooting
