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 heat er c ontrol has t he abil ity t o m onitor
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 o ccurs, t he water heat er control will
detect t his c ondition and de termine 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 diagn ostics i nformation
that can be used to correct the issue.
There are t wo t ypes o f 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 c ontrol has det ected t hat m ay c ause 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 f ound 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.