Operating instructions

52
Humidifier faults
The following is a list of humidifier faults that can
occur. Please note that this is a complete list of faults.
Your system may not have all of these options. The
text in parentheses is what will actually appear in the
alarm log.
 Temperature sensor fault (Tank Temp Flt)
The temperature sensor on the humidifier tank is
incorrectly wired or bad.
 Thermal trip fault (Thermal Trip)
The tank temperature has exceeded 245°F
(118°C).
 SDU fault (SDU Fault)
The SDU blower pressure switch failed to close
when the SDU was started.
 EEPROM fault (EEPROM Fault)
The controller has detected a check sum fault in
the EEPROM memory.
 Flue fault (Flue Fault)
The air damper limit and/or the power vent
pressure switch failed to close.
 Burner # fault (Burner # Fault)
The burner failed to light after three ignition
attempts.
 Ignitor # fault (Ignitor # Fault)
The ignition module failed to energize the gas
valve.
 Blower # fault (Blower # Fault)
The blower was unable to reach the desired
speed.
 GTS
®
only: Slave # fault (Slave # Fault)
One of the humidifiers in a multiple tank system
is not responding to communication requests.
 Boil time fault (Boil Time Flt)
The water in the tank failed to boil within the
maximum boil time.
Sensor meter feature
The Diagnostics screen on the keypad/display
contains the sensor meter feature. This feature allows
the user to read the state of all of the current inputs to
the VAPOR-LOGIC
®
3
controller.
To scroll through the screens, use the Next and Back
soft keys to select the input you wish to check. When
you are done, press the Main soft key to return to the
Main Menu screen.
Operation:
Fault messages, diagnostics
Fault messages, diagnostics (cont.).
Operation