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ULTRAFORCE COMMERCIAL GAS WATER HEATER
SUF 120 thru 400 SERVICE HANDBOOK
State Water Heaters – Technical Training Department 17 Ashland City, Tennessee © 2009
Servicing should only be performed by a Qualified Service Agent 198152-002
FAULT AND WARNING CONDITIONS – ADVANCED DIAGNOSTIC INFORMATION
This water heater control has the ability to monitor
almost all aspects of the water heater's operation. In
the c ase t hat there i s an undes irable or uns afe
condition t hat occurs, t he water heat er control will
detect this condition and determine the appropriate
action. T he w ater heat er c ontrol will di splay t he
information on the desktop in plain text that accurately
describes the condition and diagnostics i nformation
that can be used to correct the issue.
There are t wo t ypes of c onditions t hat c an oc cur
during operation. These are Warnings and Faults:
Warnings: This is a non-safety related condition that
the control has detected that may cause the water
heater to operate in a less than optimal condition, but
does not pose a safety concern.
NOTE: When t hese conditions oc cur, continued
heating cycles will continue and the heater will attempt
to regulate the water in the tank to the Operating Set
Point.
Example of a Warning:
Faults: This is a safety related condition that has been
detected by the heater.
NOTE: When these conditions occur, the water heater
WILL NOT CONTINUE any further heating cycles and
the water will no longer be heated until the condition is
corrected and, in most cases, power has been cycled.
Example of a Fault:
Advanced Diagnostic Information
When a fault or warning has been declared, advanced
information can be found in the control. By pressing
the A dvanced but ton, det ailed i nformation can be
found regarding diagnosing and resolving the problem.
WARNING: Usage of the Advanced information
requires ability equivalent to that of a licensed
tradesmen in the field involved.