Troubleshooting
1. Make sure the power supply is on and working.
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."
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.
1. Brown or rusty water indicates a “spent” anode rod. Replace anode rod.
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).
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.
9
Water does
not get hot
Light not on
Brown water
Odor in water
Leaking