Troubleshooting - Sharp WH-236E Service Manual

Problem
Water is not hot.
- ELB lamp is not lights up.
- Power lamp is not lights up.
- Control lamp is not lights up.
Water is not hot.
- ELB lamp is lights up.
- Power lamp is not lights up.
- Control lamp is not lights up.
Water is not hot.
- ELB lamp is lights up.
- Power lamp is lights up.
- Control lamp is blink or
lights up.
Water is not hot.
- ELB lamp is lights up.
- Power lamp is lights up.
- Control lamp is not lights up.
Turn the temperature control
knob to high level but water
is not hot.
Water fl ow out from shower
ass'y is too low.
Water is not fl ow out from
shower ass'y.

TROUBLESHOOTING

Possible cause
Power switch button is defected. Check or replace mechanical parts in
ELB breaker is cut off or defected.
Main SW. is closed.
Thermostat trip (Cut off).
Body valve ass'y is defected.
Reed SW. is defected.
Temp. control SW. is defected.
PCB-A is defected.
Triac ass'y is defected.
PCB-A is defected.
PCB-A is defected.
PCB-A is defected.
O-ring is clogged.
Shower ass'y is clogged.
Main water valve is open too low.
Main water valve is closed.
Water volume is closed.
Power switch button is defected.
16
Corrective action
Power switch button.
Check electrical leakage point from
any lead wire or replace the ELB
breaker.
Open main SW.
Reset thermostat.
Check or replace body valve ass'y.
Replace reed SW.
Replace PCB-B ass'y.
Replace PCB-A.
Replace Triac ass'y.
Replace PCB-A.
Replace PCB-A.
Replace PCB-A.
Check and clean O-ring.
Check and clean shower course.
Open main water valve to increase.
Open main water valve.
Open water volume.
Check or replace mechanical parts
in power switch button.