Alliance Laundry Systems CCN020HNF - Tachometer Error (Ed03)

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Design 2 and 3 only
69
F8266301ENR4
3. “Ed03” Tachometer Error (Sheet 1 of 2)
CHM548S
Tachometer Error: the drive detects the tachometer
input is damaged during power up or no tachometer
signal is detected after initiating motor output.
Power down. Is there
input power to H3 on
drive and tachometer
connections on motor?
Power up and try again.
Yes
No
No
While spinning the basket
manually check for multiple
pulses of continuity between the 2
yellow wires on the H3-2 and H3-1.
Does the circuit show multiple
open then closed pulses while
rotating basket?
Replace inverter control
board.
Yes
B
Repair loose or broken
connections
Inspect yellow wires
going to the motor.
Are any connections
loose or broken?
Yes
Replace the motor.
No
Repair water leak.
Is there water
on connector
J36?
Yes
No
A
CHM548S