MATRIX control panel Maintenance, Cleaning and Troubleshooting
PR-2011-0110-GB • Subject to modifications • R9-03-2016 83
8.3.1 Operating messages of the MATRIX control panels
Group Code
(FC)
Text
Description ➜ Remedy
Type
*
Confirmation
needed
Internal
errors
1.0 ROM
error
An internal error has occurred which the user cannot re-
solve. ➜ Please contact an authorized service center and
describe the fault message.
F
1.1 RAM
error
F
1.2
1.3
Bus problem
(Offline)
An internal error has occurred. No data transfer takes place
on the data bus. ➜ Check the wire connection at the termi-
nals A - B (control panel - air treatment unit). Are the termi-
nal wires connected the same way or is the data line pos-
sibly short-circuited? Are the terminating resistances in the
network correctly set (see
"MATRIX.Net termination setting"
on page 26
)? If no error is detected, please contact an au-
thorized service center and describe the error message.
F
1.5
–
1.8
EEPROM
failure
An internal error has occurred which the user cannot re-
solve. ➜ Please contact an authorized service center and
describe the error message.
F
1.9
–
1.12
I/O module
failure
An internal error has occurred which the user cannot re-
solve. ➜ Please contact an authorized service center and
describe the error message.
F
1.13 Clock module
failure
An internal error has occurred which the user cannot re-
solve. ➜ Please contact an authorized service center and
describe the error message.
F
1.14
1.15
Serial number
missing
An internal error has occurred which the user cannot re-
solve. ➜ Please contact an authorized service center and
describe the error message.
F
Sensor
error
2.0 OT sensor
short-circuit
The sensor of the outside-air temperature is defective. ➜
Check connection of the sensor, possible short-circuit.
F
2.1 OT sensor
missing
The sensor of the outside-air temperature is defective. ➜
Check the connection of the sensor, possible cable break
or perhaps missing even though control (software) requires
a sensor.
F
2.2 RT sensor
short-circuit
The sensor of the room temperature in the control panel is
defective ➜ Replace control panel.
F
2.3 RT sensor is
missing
The sensor for the room temperature in the control panel is
defective. ➜ Replace control panel.
F
2.4 Inlet sensor
short circuit
The inlet temperature sensor is defective.
➜ Check connection of the sensor, possible short circuit.
F
* F = Fault; M = Maintenance; I = Information
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