Maintenance, Cleaning and Troubleshooting MATRIX control panel
86 PR-2011-0110-GB • Subject to modifications • R9-03-2016
* F = Fault; M = Maintenance; I = Information
Electric
heater
5.0 Safety tem-
perature limit-
er triggered
Safety temperature limiter has triggered.
➜ Check air supply/filter (see also operation manual of the
air treatment unit).
FX
Direct
evapora-
tor
6.0 LP pressostat
triggered
The low-pressure pressostat has triggered.
➜ For troubleshooting and repair, also see operation man-
ual of the Split external unit.
FX
6.1 Compressor
failed
The compressor was switched off because of too low tem-
perature (anti-icing protection) ➜ For troubleshooting and
elimination of the fault signal, see also operation manual
"MATRIX 4700" / Chapter 5.4.8.3.
W
Extract-
Air Man-
ager
7.0
–
7.15
Positive or
negative pres-
sure
Group X has positive or negative pressure (X = 0 to 15). ➜
It is necessary to check with the MATRIX.PC service tool.
We recommend commissioning an authorized service cen-
ter.
W
Operat-
ing error
13.0 Insufficient
data
An internal or external error (insufficient data for controller)
has occurred which cannot be resolved by the user. ➜
Please contact an authorized service center and describe
the error message.
W
13.1 Dew/pump
failure
There is a defect in the condensate pump or the conden-
sation sensor. ➜ For troubleshooting and repair, see the
operation manual of the air treatment unit.
FX
13.2 Frost protec-
tion is active
The frost protection is active The temperature of the supply
air has dropped to 4°C or less. ➜ To ensure a proper heat-
ing medium supply, possibly check the valve control or boil-
er control (also see operation manual of the air treatment
unit).
WX
13.3 Motor protec-
tion has trig-
gered
The motor protection has triggered. Fan motor temperature
is too high. ➜ Allow fan motor to cool down and switch on
once again. In case of recurrence, remedy the cause of
overheating (see operation manual of the air treatment
equipment).
FX
13.4 Louvre data
missing
Data for the control of the secondary-air louver is missing.
➜ Check connection of the room/supply-air sensor, possi-
ble cable break/short-circuit or missing, even though the
control for the secondary-air louver (software) requires a
sensor.
W
13.7 Filter is dirty Filter contamination is signaled.
➜ Remove and clean the filter. (For maintenance
see also the operation manual for your air treatment unit.)
W
13.8 Duct pressure
too low
The duct pressure is too low. ➜
For troubleshooting and re-
pair, see operation manual of the air treatment unit.
W
13.9 Duct pressure
too high
The duct pressure is too high ➜ For troubleshooting and
repair, see the operation manual of the air treatment unit.
W
* F = Fault; M = Maintenance; I = Information
Group Code
(FC)
Text
Description ➜ Remedy
Type
*
Confirmation
needed
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