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Troubleshooting
Water does
1. Make sure the power supply is on and working.
not get hot
2. If light does not come on, check that the reset button is pushed in; follow steps from
previous section.
3. If the indicator light works properly but temperature does not get hot a tap, test for
a plumbing crossover; shut off cold supply to heater and open hot water tap. There
should be no water flowing. Any continued flow indicates a crossover which will
effect the temperature and will need to be corrected.
4. Call a qualified service technician to test the resistance of the heating element (8-
10 ohms). Heating element should be replaced if readings are outside these
values."
Light not on
1. If the light does not come on, but water gets hot, check for faulty bulb.
2. Check reset button; follow steps from previous section.
Brown water
1. Brown or rusty water indicates a "spent" anode rod. Replace anode rod.
Odor in water
1. Smelly water could be due to an unusual reaction between local water and the
heater's anode rod. Check anode rod (see section on changing the anode rod).
Water is too
1. Remove cover plate and turn the temperature selector dial (D Fig. 4) counter
clockwise to lower temperature.
hot
thermostat. (see section on changing the thermostat).
Water not
1. Adjust the temperature selector dial (D Fig. 4) clockwise to increase temperature.
hot enough
Leaking
1. Check water fittings and T & P fitting on top of tank.
2. Remove front cover and inspect heating element gasket.
3. If tank is leaking call Bosch Water Heating for warranty claim if still within warranty
period.
If temperature never lowers then replace
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