7 Troubleshooting
7.1
Error messages (Sub-status
9
)
To display the current error code, proceed as follows:
1. Press the two
f
keys simultaneously. The symbol
Q
flashes.
2. Confirm using key
S
.
5t
is displayed, alternating with the
current status
3
(for example).
3. Press the
[+]
key. The display shows
5v
and the current error
value (
30
, for example) alternately.
Code
Description
Checking / solution
Su
:
00
The PSU PCB is incorrectly configured Parameter error on the PSU PCB
4
Contact the professional who takes care of maintenance of the
appliance
Su
:
01
Maximum flow temperature exceeded The water flow in the installation is insufficient
4
Check the circulation (direction, pump, valves)
Su
:
02
The increase in flow temperature has
exceeded its maximum limit
The water flow in the installation is insufficient
4
Check the circulation (direction, pump, valves)
4
Check the water pressure
Sensor error
4
Contact the professional who takes care of maintenance of the
appliance
Su
:
07
Maximum difference between the flow
and return temperature exceeded
The water flow in the installation is insufficient
4
Check the circulation (direction, pump, valves)
4
Check the water pressure
Sensor error
4
Contact the professional who takes care of maintenance of the
appliance
Su
:
08
The
RL
inlet on the PCU PCB terminal
block is open
Parameter error
4
Contact the professional who takes care of maintenance of the
appliance
Bad connection
4
Contact the professional who takes care of maintenance of the
appliance
Su
:
09
Live/neutral inversion
Parameter error
4
Contact the professional who takes care of maintenance of the
appliance
M002722-A
7. Troubleshooting
EGC 25
25
09/02/2016 - 300026082-001-05
