Shini STM-W Series User Manual

98(107)
Failures Possible reasons Solutions
Differences between
setting temperature
and actual
temperature is too big.
Too short time after machine
startup.
Temperature parameter setting
error.
Cooling water valve problems.
Wait for a while.
Check temperature parameters.
Please refer to the standard manual of
setting parameters.
Replace solenoid valve.
Temperature can't rise
up.
Heater contactor problems.
Heater problems.
Thermocouple problems.
PCB output point problems.
Replace the contactor.
Replace pipe heater.
Replace thermocouple.
Check and repair PCB.
Circuit breaker tripping
off at turning on main
switch.
Short circuit of main circuit.
Transformer short circuit or
connected with earth wire.
Problems of circuit breaker.
Check electrical wire.
Replace circuit breaker.
Circuit breaker tripping
off at turning on pump
switch.
Pump motor coil short circuit.
Problems of circuit breaker.
Check pump motor.
Replace circuit breaker.
Circuit breaker
trippingoff after short
heater output.
Heater tube short circuit or shell
contact.
Problems of circuit breaker.
Replace heater tube.
Replace circuit breaker.

Shini STM-W Series Specifications

General

Brand	Shini
Model	STM-W Series
Category	Water Heater
Language	English