DencoHappel MATRIX OP71 - Error Message of the MATRIX-Control Panel OP71

Maintenance, Cleaning and Troubleshooting MATRIX Control Panel OP71
90 PR-2009-0021-GB • Subject to modifications • R5-04/2016
9.3.1 Error message of the MATRIX-control panel OP71
Error group Error-
number
Error text Error description ➯ Error correction
Internal
errors
1.0 ROM
error
An internal error has occurred which the user cannot resolve.
➯
Please contact an authorized service center and describe the
fault message.
1.1 RAM
error
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 terminals A - B
(control panel - air treatment unit). Are the terminal wires con-
nected the same way or is the data line possibly short-circui-
ted? Are the terminating resistances in the network correctly set
(see
„MATRIX.Net termination setting“ on page 22). If no error is
detected, please contact an authorized service center and
describe the error message.
1.5
–
1.8
EEPROM
failure
An internal error has occurred which the user cannot resolve.
➯
Please contact an authorized service center and describe the
error message.
1.9
–
1.12
I/O module
failure
An internal error has occurred which the user cannot resolve.
➯
Please contact an authorized service center and describe the
error message.
1.13 Clock module failure An internal error has occurred which the user cannot resolve.
➯
Please contact an authorized service center and describe the
error message.
1.14
1.15
Serial number missing An internal error has occurred which the user cannot resolve.
➯
Please contact an authorized service center and describe the
error message.
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.
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 sen-
sor.
2.2 RT sensor-
short-circuit
The sensor of the room temperature in the control panel is
defective
➯ Replace control panel.
2.3 RT sensor is missing The sensor for the room temperature in the control panel is
defective.
➯ Replace control panel.
2.4 Inlet sensor-
short circuit
The inlet temperature sensor is defective.
➯ Check connection of the sensor, possible short circuit.