Description: Pump Motor velocity deviation error
The Pump Motor was driven at a speed abnormally faster than a predetermined one during acceleration or deceleration. • Irregular load • Pump Motor encoder failure • Pump Motor failure • Pump Motor driver failure
Remedy: 1. Replace the Pump Motor encoder and Pump Motor . 2. Replace the Main Board.
Code: 141F
Description: Pump Motor lock error
The PF Motor was driven at a speed abnormally slower than a predetermined one during operation. • Irregular load • Pump Motor encoder failure • Pump Motor failure
Remedy: Replace the Pump Motor encoder and Pump Motor .
Code: 1429
Description: Circulation pump motor oscillation error
The control terminal (Vre terminal) for the circulation pump motor driver is short-circuited.
Remedy: 1. Remove the foreign object. 2. Replace the Main Board.
Code: 142A
Description: Circulation pump motor overload error
Overcurrent to the circulation pump motor was detected. • Disconnection of the circulation pump motor cable. • Overload • Failure of the circulation pump motor encoder • Failure of the circulation pump motor
Remedy: Replace the Circulation Pump Unit.
Code: 142B
Description: Circulation pump motor overspeed error
When the circulation pump motor should slow down, it was driving faster than a predetermined speed. • Overload • Failure of the circulation pump motor encoder • Failure of the circulation pump motor driver
Remedy: 1. Replace the Circulation Pump Unit. 2. Replace the Main Board.
Code: 142C
Description: Circulation pump motor reversing error
The number of detections of reverse driving of the circulation pump motor has reached a predetermined limit. • Incorrect connection of the circulation pump motor cable • Failure of the circulation pump motor
Remedy: Replace the Circulation Pump Unit.
Code: 142D
Description: Circulation pump motor driving time-out error
The circulation pump motor was driving for an abnormally long time. • Overload • Firmware runaway
Remedy: Replace the Main Board.
Code: 142E
Description: Circulation pump motor velocity deviation error
When the circulation pump motor should speed up or slow down, it was driving at an abnormally high speed exceeding a predetermined velocity. • Overload • Failure of the circulation pump motor encoder • Failure of the circulation pump motor • Failure of the circulation pump motor driver
Remedy: 1. Replace the Circulation Pump Unit. 2. Replace the Main Board.