9
Water does
not get hot
Light not on
Brown water
Odor in water
Water is too
hot
Water not
hot enough
Leaking
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. Replace heating element (see previous section on changing the heating element).
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. Remove cover plate and turn the temperature selector dial (D Fig. 4) counter
clockwise to lower temperature.
If temperature never lowers then replace
thermostat. (see section on changing the thermostat).
1. Adjust the temperature selector dial (D Fig. 4) clockwise to increase temperature.
1. Check water fittings and T & P fitting on top of tank.
2. Remove front cover and inspect heating element gasket.
Occasionally, the high temperature limit shut off device may trigger and shut the
system down. This occurs when water temperature exceeds 190° F and shuts off
power to the heating element. The shut off device may also trigger from a power
outage or electrical storm.
To reach the thermostat:
1. Pry off the round cover plate (V Fig. 3/1) from its right hand edge (W Fig. 3/1) with
a small flat-head screwdriver.
2. Remove the Phillips screw revealed beneath the round cover plate.
3. The cover (C Fig. 3/1) can now be removed by pulling out its left-hand edge. When
reassembling, work in the opposite way being careful to insert the tongue of the
cover into the slot.
4. Firmly press reset button (B Fig. 4). Reconnect power.
5. IMPORTANT: Check the operation of the thermostat, turn temperature dial from
high to low, if the red light does not go off on low setting, turn off power supply and
call a service person to replace the thermostat.
6. If the system works, place dial setting to desired setting. Note: a lower setting is
more economical and reduces the risk of scalding. Replace cover plate.
CAUTION: Call a technician if the high limit needs to be reset frequently.
Resetting
High Limit
Switch
1. Turn off power supply and drain the heater (see Draining the Heater).
2. Remove the heating element (see section on Removing the Heating Element).
3. Install new element with gasket, making sure the gasket and element are positioned
correctly. Tighten the retaining nuts and make the wire connections.
4. Refill tank with water before restoring power.
1. Turn off power supply.
2. Disconnect the 2 push/pull type wires on thermostat.
3. Loosen the two brass screws at right side of thermostat and pull wires out.
4. Unscrew and remove the two phillips screws holding the thermostat down.
5. Install new thermostat and re-attach wiring and screws.
Changing
the heating
element
Changing
the
thermostat
Summary of Contents for GL 2.5
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