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No hot water or no water supply
Water temperature too hot
Water temperature too cold
Problem
Required Actions
Power control setting at cold position
Switch to low, medium or high setting
Water pressure has dropped below minimium required working pressure and thus do not activate electicity supply to the heater
Some ways to increase water pressure.Adjust water tap or Stabilizer valve to increase water supply. Check if large amount of water is drawn from other taps in the house. If yes, turning it off will help increase water pressure for shower heater
No Electricity Supply
Check if Electricity Supply is switched on
Electrical Malfunction
Consult Local Agent or qualified Electrician for assistance