OPERA
TION
AND SER
VICE
Steam Humidifier System 69-2285—09
52
No. of
Service LED
Blinks
Fault Description
Auto-Recoverable?
Steps to Fix
(Performed Only By Professional HVAC Technician)
7
HVAC power
not present.
Yes, system will
return to “Ready”
if fault no longer
exists in one hour.
1.
Unplug and replug steam humidifier in to see if power returns.
2.
If power does not return, ensure HVAC equipment has power.
3. Check circuit breaker or replace fuse if circuit is tripped.
4.
Unplug steam humidifier and remove cover. Check DIP 4
position and verify correct wiring based on DIP 4 position.
Check install guide section on Power monitoring Information.
5.
Plug in steam humidifier and press the Go button.
If the fault reappears, ensure the circuit being used has the rating
to support the steam humidifier. Unplug any additional equipment
plugged into this circuit. If fault disappears, the circuit capacity is
not properly sized to your unit.
If the fault returns, replace steam humidifier.
8
The weld monitor
input is active when
the heater relay is off.
No
1. Press and hold the Go button to clear the fault.
2. Initiate a humidity call.
3.
If the fault returns, replace steam humidifier.
10
The heater relay
failed to turn on.
No
1.
Check for voltage on the heater terminals/leads. There should
be 120Vac.
2. If there is not, press the Go button to clear the fault.
3. Initiate a call for humidity
4.
If the fault returns, replace steam humidifier
12
Temperature of the
electronic circuit
board is too high.
Yes, system will
return to “Ready”
if fault no longer
exists in one hour.
1.
Make sure ventilation holes in the cover are clear of
obstruction. Make sure 1 foot of clearance is maintained
around the cover’s vent holes.
2.
Ensure steam humidifier is installed in a location with
conditioned air 34°F to 104°F (1.1°C to 40°C).
3.
Turn humidistat off and allow time for electronic board to cool.
This could take up to 2 hours.
4. Turn humidistat on and press the Go button to reset.
5.
Confirm humidity call starts by checking if Humidifying light
is on.
6.
Allow steam humidifier to run. Check for steam leaks around
tank and ventilation holes.
7.
If the fault returns, replace steam humidifier.
