12 Troubleshooting; Error Codes; Warning; Blocking - REMEHA Quinta Ace Installation, User And Service Manual

12 Troubleshooting

12.1

Error codes

Tab.37 Warning codes
Code Text display
A01.21 Maximum Dhw Temperature Gradient Level3
Exceeded
A02.06 Water Pressure Warning active
A02.18 Object Dictionary Error
A02.37 Uncritical device has been disconnected
A02.45 Full Can Connection Matrix
A02.46 Full Can Device Administration
A02.49 Failed Initialising Node
A03.17 Periodically safety check ongoing
7625116 - v.04 - 17012017
The boiler is fitted with an electronic regulation and control unit. The heart
of the control system is a microprocessor, the eSMART
and also protects the boiler. In the event of an error, a corresponding code
is displayed.
The meaning of the error codes can be found in the error table.
Important
Note the error code displayed. The error code is needed to find
the cause of the error quickly and correctly and for any support
from Remeha.
12.1.1

Warning

A warning is displayed if an error may occur. The control panel shows a
warning code.
Note
The boiler continues to operate but the cause of the warning must
be investigated. A warning can result in the boiler becoming
blocked or locked out.
Possible cause/check
Temperature warning:
Check the flow.
Water pressure warning:
Water pressure too low; check the water pressure.
Configuration error:
Reset
SCB PCB not found:
Check the connection.
SCB PCB not found:
Carry out an auto-detect.
SCB PCB not found:
Carry out an auto-detect.
SCB PCB not found:
Carry out an auto-detect.
No action required; device restarts itself.
12.1.2

Blocking

Blocking occurs as a result of a fault. The control panel shows a blocking
code.
Important
The boiler only starts up again only when the cause of the block­
ing has been rectified. Blocking can result in the boiler being
locked out.
12 Troubleshooting
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