Form No. 3CSFRM-0118
17
English
Symptom Probable Cause Corrective Action
Water temperature too high. The water temperature control (FR only) is set
too high.
Adjust the water temperature control (FR only) to the
desired temperature.
Water temperature too low. Water heaters need approximately 30 minutes to
reach a safe sanitizing temperature.
Wait 30 minutes for the unit to reach proper
temperature.
The water temperature control (FR only) is set
too low.
Adjust the water temperature control (FR only) to the
desired temperature.
Heating elements burn out. The sink or holding vessel is dry or has a low
level of water.
Fill the sink or holding vessel with water to normal
operating level.
Deposits built up in heater are restricting water
flow.
Perform the entire “Cleaning” procedure in the
MAINTENANCE section.
The sink or holding vessel leaks. Fittings are too loose or too tight. Adjust any fittings that may be causing the unit to
leak. Replace gasket, if necessary.
The Power ON/OFF (I/O) toggle
switch is in the ON (I) position but
the unit is not heating the water.
The Low-Water Cut-Off switch was activated. The unit was shutdown due to a low water level or
from being overheated. Fill the heater to the proper
water level and turn the Power ON/OFF (I/O) toggle
switch to the OFF (O) position and then to the ON (I)
position.
Fuses may be blown, the circuit breaker may be
tripped, or the power cord may be unplugged.
Check for proper fuse sizing and replace fuses,
check/reset circuit breaker, and/or check/replace
power cord.
TROUBLESHOOTING GUIDE
This unit must be serviced by trained and qualified
personnel only. Service by unqualified personnel may lead
to electric shock or burn.
ELECTRIC SHOCK HAZARD: Turn OFF power switch,
unplug power cord/turn off power at circuit breaker,
and allow unit to cool before performing any cleaning,
adjustments, or maintenance.
Temperature Monitor
An optional temperature monitor is available for 3CS Models.
The temperature monitor displays the current water temperature.
Temperature Light
An optional temperature light is available for 3CS Models. The
temperature light glows when the water temperature reaches
safe sanitizing temperature.
Low-Water Cut-Off
An optional low-water cut-off (LWCO) feature is available for
FR Models. This feature prevents element burn out from low
water conditions.
OPTIONS AND ACCESSORIES
Flush Hose Kit
The Flush Hose Kit is available for 3CS and FR Models and is
used to power flush the unit to keep it working at peak efficiency.
The kit consists of a drain stopper and a hose with adapter.
Security Package
A security package is a factory-installed option for 3CS and
FR Models. A security package contains Torx
®
screws and a
control cover.
Cord and Plug with Receptacle
An optional cord and plug with the matching receptacle
is available for FR-3 and FR-4 Models. Refer to “Plug
Configurations” in the SPECIFICATION section for more
information.
NOTE: Optional items are not field retrofittable.
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