Common Alarm Codes & Resolutions
Code
Detail of Alarm
Possible Cause
Action
CH14
Hydraulic alarm
flow &
Water Pump
malfunction
Water flow is not
detected in the hydraulic
cycle.
Check system pressure is between 1 – 1.5 bar
(refill using filling loop [see below image]).
If the issue persists contact your installer.
For alarm codes not listed above please contact your
installer
Alarm Display
In the unlikely event that the system detects an
abnormality in operation conditions, it will cease
operating to protect the unit an alarm code will be
displayed.
Power Supply Failure
In the event of a power supply failure all displays
disappear. If the unit stops due to a power shortage, it will
not start again, even though the power comes back on.
Carry out the start‐up operations again. If the power
failure lasts less than 2 seconds, the unit will start again
automatically.
