Hot water temp-sensor : Check electric resistance.
Auto Bimetal : 90N (Max 199.4
°F
)
Manual Bimetal : 105N (when Off, 221
°F
)
Check heater wire connection and applied voltage.
- Applied Voltage : AC 220V
Check if bimetals are affixed properly onto hot
water tank’s surface.
Top: Automatic bimetal
Bottom: Manual
Press the Reset Button of the manual bimetal.
When off, Click sound will occur.
1
2
3
4
34
Tr
ouble
Shooting
12-9 HOT WATER MALFUNCTION
If hot water overheated, ambient tank’s temperature
goes up then it could causes overflow.
Check electric resistance of hot water temp-sensor
and manual bimetal.
Reset Button
Manual
Automatic