REMEHA Gas 320 Ace 285, Installation And User Manual

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10 Troubleshooting
10.1 Error codes
The boiler is fitted with an electronic regulation and control unit. The heart
of the control is a e-Smart microprocessor, which controls and also
protects the boiler. In the event of an error, a corresponding code is
displayed.
Tab.64 Error codes are displayed at three different levels
Code Type Description
A00.00
(1)
Warning The boiler continues to operate but the cause of the warning must be investigated. A
warning can change into a blocking or lock-out.
H00.00
(1)
Blocking The boiler starts up again automatically when the cause of the blocking has been recti­
fied. A blocking can become a lock-out.
E00.00
(1)
Lock out The boiler starts up again only when the cause of the lock-out has been rectified and
reset manually.
(1) The first letter indicates the type of error.
The meaning of the code can be found in the various error code tables.
Important
The error code is needed to find the cause of the error quickly and
correctly and for any support from Remeha.
10.1.1 Display of error codes
When an error occurs in the installation, the control panel shows:
1
The display will show a corresponding code and message.
2 The status LED of the control panel will show:
Continuous green = Normal operation
Flashing green = Warning
Continuous red = Blocking
Flashing red = Lock out
1. Press and hold the button to reset the boiler.
The boiler starts up again only when the cause of the error has
been rectified.
2. If the error code reappears, correct the problem by following the
instructions in the error code tables.
The error code remains visible until the problem is solved.
3. Note the error code when the problem cannot be solved.
10.1.2 Warning
Tab.65 Warning codes
Code Display text Description Solution
A.00.00 TFlow Open Flow temperature sensor is either
removed or measures a temperature
below range
-
A.00.01 TFlow Closed Flow temperature sensor is either
shorted or measures a temperature
above range
-
A.01.21 Dhw Temp GradLevel3 Maximum Dhw Temperature Gradi­
ent Level3 Exceeded
Temperature warning:
Check the flow.
A.02.06 Water Press Warning Water Pressure Warning active Water pressure warning:
Water pressure too low; check the water pres­
sure
Fig.87 HMI T-control
AD-3001379-01
Error Code: A.00.00
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10 Troubleshooting
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