ULTRAFORCE COMMERCIAL GAS WATER HEATER
SUF 120 thru 400 SERVICE HANDBOOK
State Water Heaters – Technical Traini ng Department 17 Ashland City, Tennessee © 2009
Servicing should onl y be performed by a Qualified Service Agent 198152-002
FAULT AND WARNING CONDITIONS – ADVANCED DIAGNOSTIC INFORMATION
This water heater control has the abili ty to monit or
almost all aspects of the water heater's operation. In
the c ase t hat there i s an undes irable or unsaf e
condition t hat occurs, the water heater control will
detect this condition and determine the appropriate
action. The water heat er control will display t he
information on the desktop in plain text that accurately
describes the conditi on and diagnostics informati on
that can be used to correct the issue.
There are t wo t ypes of condi tions t hat c an occ ur
during operation. These are Warnings and Faults:
Warnings: This is a non-safety related condition that
the control has detected t hat m ay cause the water
heater to operate i n a less than optimal condi tion, 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 occ ur, 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 f ault or warn ing has be en declare d, advanced
information can be found in t he control. By pressi ng
the A dvanced but ton, detailed inf ormation can be
found regarding diagnosing and resolv ing the problem.
WARNING: Usage of the Advanced information
requires ability equivalent to that of a licensed
tradesmen in the field involved.