20
Troubleshooting
8.3 Troubleshooting
Do not adjust the settings on the thermostat.
Reset button (85oC) on thermostat
Issue
Check
The Heat Pump is not
working
- That the desired water temperature is higher than
the
temperature of the water in the tank.
- There is power supply to the appliance.
- The the green light is on.
- That the appliance is not in holiday mode (see
Section
7.6)
- That the air intake or ambient temperature is under
- 7oC or over +35oC.
- That the timer has not been programmed to stop
the
appliance operating (‘Economy’ light will be on (see
Section 7.2).
- If an error message is displayed on the screen
(see Section 8.5).
No Hot Water
- That the volume consumed is not higher than the
volume in the tank.
- The time period the appliance operates is not too
short (12hrs minimum if connected to piping).
- The water temperature is not set too low.
Condensates are not drain-
ing
- The draining system for dirt or blockages:
Remove the cover (see Section 6.9.1) and check
the
opening.
- That tubes do not have bends or “U” shapes that
can
collect water.
- That the end of the tube is not blocked off and has
access to open air.
Electrical backup is not
working
- That your electricity provider or your timer is not
preventing the appliance from functioning, ‘Econo-
my’
symbol should be on (see Section 7.2).
- A heat-limiting safety thermostat for electrical
backup has not been activated after over-heating
(>85°C). If this is the case, reset it.
- Before resetting, check:
• that the heating element does not have limescale.
• clean or replace if necessary.
Table 5: Troubleshooting
