Warning - REMEHA Gas 320 Ace Installation And User Manual

Fig.99 Error code display on HMI T-control
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Error Code: A.00.00
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10.1.2

Warning

Tab.71 Warning codes
Code Display text
A.00.00 TFlow Open
A.00.01 TFlow Closed
A.01.21 Dhw Temp GradLevel3
A.02.06 Water Press Warning
A.02.37 Uncritic device lost
A.02.45 Full Can Conn Matrix
A.02.46 Full Can Device Adm
A.02.49 Failed Init Node
7734324 - v.07 - 21092022
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
When an error occurs, proceed as follows:
1. Press and hold the
The appliance starts up again.
2. If the error code reappears, correct the problem by following the
instructions in the error code tables.
AD-3001379-01
Important
Only qualified professionals are authorised to work on the
appliance and system.
The error code remains visible until the problem is solved.
3. Note the error code when the problem cannot be solved and contact
your installer.
Description
Flow temperature sensor is either
removed or measures a temperature
below range
Flow temperature sensor is either
shorted or measures a temperature
above range
Maximum Dhw Temperature Gradi­
ent Level3 Exceeded
Water Pressure Warning active
Uncritical device has been discon­
nected
Full Can Connection Matrix
Full Can Device Administration
Failed Initialising Node
button to reset the appliance.
Solution
Zone flow temperature sensor open:
Sensor is not present.
Wrong Zone Function setting: check the setting
of parameter CP02x.
Bad connection: check the wiring and connec­
tors.
Incorrectly fitted sensor: make sure that the
sensor has been correctly fitted.
Faulty sensor: replace the sensor.
Zone flow temperature sensor short-circuited:
Sensor is not present.
Bad connection: check the wiring and connec­
tors.
Incorrectly fitted sensor: check that the sensor
has been correctly fitted.
Faulty sensor: replace the sensor.
Temperature warning:
Check the flow.
Water pressure warning:
Water pressure too low; check the water pres­
sure
SCB not found:
Bad connection: check the wiring and connec­
tors
Faulty SCB: Replace SCB
SCB not found:
Carry out an auto-detect
SCB not found:
Carry out an auto-detect
SCB not found:
Carry out an auto-detect
10 Troubleshooting
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