39
Control
Alarm Messages
6. check the if DC voltage between A(first wire) and B(third wire) is normal, it should be 13.5V ~16.5V
A
B
The cause of alarm ‘TRANSITION-MAIN COMMUNICATE’ could be:
1. The connection between transition circuit board and main circuit board is wrong;
2. The connection between transition circuit board and main circuit board is not good, such as had creepage;
3. The transition circuit board or main circuit board was damaged.
How to do
˖
1. Check the connection wire between transition circuit board and main circuit board, their live wires,
zero
curves was connected correctly;
2. Check the connection wire
between transition circuit board and main circuit board
, the wire must be less
than 20 meters, the terminals must be water- proof;
3. If the connection is fine, then the cause could be the transition circuit board or main circuit board, please
check their lights.
The cause of alarm ‘MODULE VOLTAGE OVER’ could be:
1. Water flow was not enough;
2. One of the sensors got problem;
3. Ambient temperature was too high
How to do:
1. Check if the water flow was not enough;
2. Check all the sensors if they are normal.
