Sharp WH-A55, Руководство по обслуживанию

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15
1. Remove the body in accordance with “REMOVE OF BODY”.
2. Remove the screw holding the neon lamp ass’y to the back cover.
3. Cut neon lamp lead wire to PCB control ass’y.
4. Now the neon lamp ass’y is free.
REMOVE OF NEON LAMP ASS’Y
TROUBLESHOOTING
Water is not hot. Heater tank ass’y shock.
Low pressure water.
Thermostat trip. (Cut off)
Volume SW. is defected.
Reed SW. is defected.
PCB control ass’y is defected.
Replace heater tank ass’y.
Check water pressure from main
water valve.
Reset thermostat.
Check or replace the volume SW.
Replace reed SW.
Replace PCB control ass’y.
Water temperature can not
be set.
PCB control ass’y is defected. Replace PCB control ass’y.
O-ring is clogged.
Shower ass’y is clogged.
Main water valve open too low.
Main water valve is closed.
Water volume is closed.
Problem Possible cause
Corrective action
Volume SW. is defected. Check or replace volume SW.
Water flow out from shower
ass’y is too low.
Check and clean O-ring.
Check and clean shower course.
Open the main water valve to increase.
Open the main water valve.
Open the water volume. Water is not flow out from
shower ass’y.
Fig. 30
Screw
Black lead wire
Neon lamp ass’y