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ACD320user manual Fault Diagnosis and countermeasures

- 114-

U-23

Earthing short circuit

failure.

The motor has earthing short circuit.

Change cable or motor.

U-25

PID disconnection

failure.

Wiring loose

Check wiring

Analog value input circuit failure.

Look for service from

manufacturer or agent

U-26

Lack of water when

constant pressure

water supply

Lack of water

Check the pool.

P.oFF

Under voltage stop

Input voltage is too low

Check the input voltage

Dispear when power off

Normal phenomenon

Missing input phase

Please check the input voltage

0.0.0.0.0.

Keywords is valid

User’s keywords are valid.

When it dispays “0.0.0.0.0.”,

please input the set keywords, if

the user have forgotten the

keywords, look for service from

agent

EoPP

Constant pressure

water supply sleeping

Normal sleep

Normal phenomenon

Set of sleeping and revival parameter is

wrong

Please set the parameter F7.21～

F7.24 correctly.

7.2 Fault and Countermeasures

Brand

K&R

Model

ACD320 Series

K&R ACD320 Series User Manual

Table of Contents

Questions and Answers:

K&R ACD320 Series Specifications