Warning - REMEHA Gas 210 Ace 80 Installation And User Manual

10.1.2

Warning

Tab.46 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
A.02.55 Inval or miss SerNR
A.03.17 Safety check
7837114 - v.01 - 10012023
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
Invalid or missing device serial num­
ber
Periodically safety check ongoing
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
Contact your supplier.
Safety check procedure active:
No action
10 Troubleshooting
57