Troubleshooting; Boiler Screen And Interface; Water Temperature - PROBOIL .4E User's Installation Manual

1.3 Troubleshooting:

1.3 1.3 1.3 Troubleshooting: Troubleshooting: Troubleshooting:
⚠
If you suspect your product has a fault you can use the guide below or if you are unsure about your issue you
should isolate both the mains power and water and contact the service number on top of the boiler.

1.3.1 Boiler screen and interface:

Issue description:
no display illuminated (only displaying
no display illuminated (including no
Keys do not respond when touched
Error "E" code displayed on screen

1.3.2 Water temperature:

Issue description:
Water temperature is lower or higher than
expected.
Water temperature is lower than expected.
Water temperature is lower or higher than
expected.
Water temperature is lower than expected.
Water temperature is lower than expected.
PROBOIL.4E user & installation guide v1d
Possible issue & solutions:
P
Unit is in standby mode: press and hold
)
to normal mode.
P
No power: Check mains socket is on, check fuse in boiler plug,
)
check plug and socket on boiler left hand face is fully engaged.
Screen is dirty or wet: clean the screen with a damp soapy non
abrasive cloth then dry. Ensure hands are dry when pressing keys.
Also please make sure clear protective film applied when new is
removed (if applicable).
E3 – no water in boiler, fill / flush with water, message will self
clear when filled
E5, E6, E7, E8, E9 for service use only – contact service number on
top of unit.
Possible issue & solutions:
Press the "+" & "-" keys and check the target temperature is as
expected.
The boiler has not started its reheating cycle after its last use: the
boiler shows "READY" because only a small amount of water has
been used and it takes a few minutes for the boiler temperature to
equalise and then start its reheat cycle.
The boiler has not completed its reheating cycle after its last use:
the "HEATING" indicator is still showing during use.
The boiler internal may be calcified and may need descaling.
There has been a power cut (interruption to the power supply) the
boiler automatically turns back on into standby mode.
press and hold
Follow "Periods of non-use" (1.1.5) guide to ensure water is
heated.
The centre spout tube in the tap may be disconnected from the
aerator, see "descaling-aerator" section for more detail.
P
for 1.5 seconds to revert to normal mode.
P
for 1.5 seconds to revert
25