Manual Remeha Quinta ACE 65 T-Control (page 59 of 88) (English)

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Code Display text Description Solution

H.01.14 Max Tflow Flow temperature has exceeded the

maximum operating value

Flow temperature sensor above normal range:

Bad connection: check the wiring and connec

tors

No flow or insufficient flow:

Check the circulation (direction, pump,

valves)

Check the water pressure

Check the cleanliness of the heat exchanger

H.01.15 Max Tflue Gas Flue gas temperature has exceeded

the maximum operating value

Maximum flue gas temperature exceeded:

Check the flue gas outlet system

Check the heat exchanger to ensure that the

flue gas side is not clogged

Faulty sensor: replace the sensor

H.01.21 Dhw Temp GradLevel3 Maximum Dhw Temperature Gradi

ent Level3 Exceeded

The flow temperature has risen too fast:

Check the flow (direction, pump, valves)

Check that the pump is operating correctly

H.02.00 Reset In Progress Reset In Progress Reset procedure active:

No action

H.02.02 Wait Config Number Waiting For Configuration Number Configuration error or unknown configuration

number:

Reset CN1 and CN2

H.02.03 Conf Error Configuration Error Configuration error or unknown configuration

number:

Reset CN1 and CN2

H.02.04 Parameter Error Parameter Error Factory settings incorrect:

Parameters are not correct:

Restart the boiler

Reset CN1 and CN2

Replace the CU-GH PCB

H.02.05 CSU CU mismatch CSU does not match CU type Configuration error:

Reset CN1 and CN2

H.02.09 Partial block Partial blocking of the device recog

nized

Blocking input active or frost protection active:

External cause: remove external cause

Wrong parameter set: check the parameters

Bad connection: check the connection

H.02.10 Full Block Full blocking of the device recog

nized

Blocking input is active (without frost protection):

External cause: remove external cause

Wrong parameter set: check the parameters

Bad connection: check the connection

H.02.12 Release Signal Release Signal input of the Control

Unit from device external environ

ment

Waiting time release signal has elapsed:

External cause: remove external cause

Wrong parameter set: check the parameters

Bad connection: check the connection

H.02.31 AF needed Device requires Auto filling of the

water system due to low pressure

Refill the central heating system using the auto

matic (re)filling unit.

H.02.38 No water hardness No hardness of water -

H.02.70 HRU test error External heat recovery unit test

failed

Heat recovery unit non-return valve check failed:

Check the external heat recovery unit non-re

turn valve.

H.03.00 Parameter Error Safety parameters level 2, 3, 4 are

not correct or missing

Parameter error: security kernel

Restart the boiler

Replace the CU-GH

H.03.01 CU to GVC data error No valid data from CU to GVC re

ceived

Communication error with the CU-GH:

Restart the boiler

10 Troubleshooting

7684359 - v.11 - 13122021 59

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Others manual(s) of Remeha Quinta ACE 65 T-Control

Remeha Quinta ACE 65 T-Control Usermanual and installation guide - German - 116 pages

Remeha Quinta ACE 65 T-Control Usermanual and installation guide - Dutch - 80 pages

Remeha Quinta ACE 65 T-Control Usermanual and installation guide - French - 84 pages

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Remeha Quinta ACE 65 T-Control Manual

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