Rheem Light Duty Commercial Electric Water Heater - Manual (Page 9)

9
Trouble Shooting Guide
** For your safety, DO NOT attempt repair of Electrical Wiring, Thermostat(s), Heating Elements or other Operating Controls. Refer repairs to
qualified service personnel.
CAUTION !
NATURE OF TROUBLE POSSIBLE CAUSE SERVICE
No Hot Water 1. Manual switch turned off Turn to ON
2. Improper Wiring ** Rewire per Wiring Diagram
3. No Power — blown fuse or circuit breaker tripped
a. Shorted wiring ** Replace or repair
b. Circuit overloaded ** Provide adequate circuit or reduce load
c. Improper wiring ** Rewire per diagram
d. Grounded element or thermostat ** Replace
4. Manual Reset Limit (ECO) open Refer to "Operation Section"
a. Thermostat(s) defective ** Replace
b. Thermostat out of calibration ** Lower setting or replace
c. Heat build-up due to loose wires ** Tighten wire connections
d. Defective Limit (ECO) ** Replace
Not enough Hot Water 1. Heater undersized Reduce rate of hot water use
2. Defective Element(s) ** Check amperage, replace element if low
3. Miswired or defective thermostat ** Check wiring or replace
causing only one element to work
Water too hot or not 1. Thermostat setting too high or low Change setting as required
hot enough 2. Thermostat out of calibration ** Replace
Noisy heating element(s) 1. Scale build-up on elements ** Remove and clean
Rattling noise during 1. Heat Trap fitting in operation None. The rattling noise is normal for
periods of water usage Heat Traps when in operation and
does not indicate a need for service.
How to Obtain Service Assistance
1. Should you have any questions about your new water heater, or
if it requires adjustment, repair, or routine maintenance, it is sug-
gested that you first contact your installer, plumbing contractor
or previously agreed upon service agency. In the event that the firm
has moved, or is unavailable, refer to the telephone directory com-
mercial listings or local utility for qualified service assistance.
2. Should your problem not be solved to your complete satisfaction,
you should then contact the Manufacturer’s National Service De-
partment at the following address:
In the United States:
2600 Gunter Park Drive
Montgomery, Alabama 36109-1413
Phone: 1-800-432-8373.
In Canada:
Rheem Canada, Ltd./Ltée
128 Barton Street West
Hamilton, Ontario L8N 3P3
Phone: 1-800-432-8373
When contacting the manufacturer, the following information
should be made available:
a. Model and serial numbers of the water heater as shown on the
rating plate attached to the jacket of the heater.
b. Address where water heater is located and can be seen.
c. Name and address of installer and any service agency who per-
formed service on the water heater.
d. Date of original installation and dates any service work was per-
formed.
e. Details of the problem as you can best describe them.
f. List of people, with dates, who have been contacted regarding
your problem.
Model No. Serial No. Date of Installation Installed By: