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FULLY-INTEGRATED
C21 FAILURE CODES
1.
Inadequate water supply
Possible problems:
1- Make sure the water input tap is totally open and that there is no water cut.
2-
Close the water input tap, separate the water input hose from the tap and clean the filter
at the connection end of the hose.
3-Water inlet hose can be out of order.
4-
Water inlet valve filter can be clogged.
5- Water inlet valve can be out of order.
6-
There can be a problem with the cable connection of water inlet valve.
7-
Floater switch can be out of order or have a problem with the cable connection.
8-
Pressure switch of the heater casing group can have a mechanical or cable connection
problem
.
9-
Circulation pump can be out of order or have a problem with the cable connection.
2.
Error of continuous water input
Possible problems:
1-
Water inlet valve can be out of order or can not be closed
.
2-
Electronic card can be out of order.