REMEHA Quinta Ace Installation, User And Service Manual page 67

Code Text display
H01.13 Heat Exchanger temperature has exceeded the
maximum operating value
H01.14 Flow temperature has exceeded the maximum
operating value
H01.15 Flue gas temperature has exceeded the maximum
operating value
H02.00 Reset In Progress
H02.02 Waiting For Configuration Number
H02.03 Configuration Error
H02.05 CSU does not match CU type
H02.09 Partial blocking of the device recognized
H02.10 Full blocking of the device recognized
H02.12 Release Signal input of the Control Unit from device
external environment
H02.36 Functional device has been disconnected
H03.00 Safety parameters level 2, 3, 4 are not correct or
missing
H03.01 No valid data from CU to GVC received
7625116 - v.04 - 17012017
Possible cause/check
Maximum heat exchanger temperature exceeded:
Check the circulation (direction, pump, valves).
Check the water pressure.
Check that the sensors are operating correctly.
Check that the sensor has been fitted properly.
Check the cleanliness of the heat exchanger.
Check that the installation has been correctly vented
to remove air.
Flow temperature sensor above normal range (high-
limit thermostat):
Bad connection: check the wiring and connectors.
Incorrectly fitted sensor: check that the sensor has
been correctly fitted.
Faulty sensor: replace the sensor.
No flow or insufficient flow:
Check the circulation (direction, pump, valves).
Check the water pressure.
Check the cleanliness of the heat exchanger.
Maximum flue gas temperature exceeded:
Faulty sensor: replace the sensor.
Check the flue gas outlet system
Check the heat exchanger to ensure that the flue gas
side is not clogged.
No action required; await reinitialisation.
Configuration error or unknown configuration number:
Reset and
Configuration error or unknown configuration number:
Reset and
Configuration error:
Reset and
Blocking input active or frost protection active:
External cause: remove external cause.
Wrong parameter set: check the parameters.
Bad connection: check the connection.
Blocking input is active:
External cause: remove external cause.
Wrong parameter set: check the parameters.
Bad connection: check the connection.
Waiting time release signal has elapsed:
External cause: remove external cause.
Wrong parameter set: check the parameters.
Bad connection: check the connection.
Communication error with the SCB PCB:
Bad connection with BUS: check the wiring.
No PCB: reconnect PCB or retrieve from memory us­
ing auto-detect.
Configuration error or unknown configuration number:
Reset and
Replace the control panel if it is defective.
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12 Troubleshooting
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