Honeywell TrueSTEAM Guide D'installation page 34

No. of Fault Description
Service LED
Blinks
10 The heater relay
failed to turn on.
12 Temperature of the
electronic circuit
board is too high.
13 Tank failed to drain.
14 Heater failed to
boil water.
15 No airflow sensed
in supply duct.
32
Auto-Recoverable? Steps to Fix
(Performed Only By Professional HVAC Technician)
No 1. Press and hold the Go button to clear the fault.
2. Initiate a humidity call.
3. If the fault returns, replace TrueSTEAM.
Yes, system will 1. Make sure ventilation holes in the cover are clear of
return to "Ready" obstruction. Make sure 1 foot of clearance is maintained
if fault no longer around the cover's vent holes.
exists in one hour. 2. Ensure TrueSTEAM 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 TrueSTEAM to run. Check for steam leaks around tank
and ventilation holes.
7. If the fault returns, replace TrueSTEAM.
No CAUTION:
1. Press the Drain button.
2. If tank fails to drain, wait for water in tank to cool. Ensure tank
water is cool before proceeding.
3. Once cool, follow the tank cleaning steps.
Cleaning Cycle" on page 24.
4. Reassemble tank and press the Go button to reset.
5. If the fault persists, replace solenoid valve (#50027997-001).
Yes, system will 1. Follow the tank cleaning steps.
return to "Ready" on page 24.
if fault no longer 2. Reassemble tank and press the Go button to reset.
exists in one hour. 3. If the fault returns, replace TrueSTEAM.
Yes, system will 1. Ensure optional add-on air proving device is installed and
return to "Ready" wired correctly. See "Make Add-On Air Proving Decision" on
if fault no longer page 18 for proper wiring.
exists in one hour. 2. Unplug TrueSTEAM, and remove cover.
3. Ensure DIP switches are set correctly. (DIP 4 down, DIP 5 up.)
4. Reconnect cover and plug in TrueSTEAM.
5. Press and hold the Go button to clear the fault.
6. If the fault persists, replace the air proving device being used.
Water in tank may be hot (>140°F [60°C]).
See "Manual
See "Manual Cleaning Cycle"
TrueSTEAM Humidification System 69-2285EF—01