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Field Upgrade Guide
Service Indications
Indoor Blower ON/
Air Cleaner First Green
LED OFF
Indoor Blower ON/
Air Cleaner First
Green LED ON, Not Flashing
Indoor Blower ON/ Four Yellow
LEDs Flashing
Indoor Blower ON
three Red LEDs Flashing
Fig. 20
12
TROUBLESHOOTING
Service Checks
1. Check that the Power Door is installed correctly
and the latche is closed. The actuator tab must
engaged the door safety switch.
2. Check the air cleaner power/control cable.
3. Push the power button once. Button back light should be on
4. Check for 24 Volts AC at the Air Cleaner Power
plug. A Yellow LED on the door by the air cleaner
plug should turn on for one second then turn off
immediately after 24VAC power is applied to the unit.
5. Check the Fuse inside the Power Door.
1. Air Cleaner is in the 10 minute DRY CYCLE.
2. No call for Air Cleaner operation due to no 24 volts
AC call going to G or W from the Furnace or Air
Handler
3. There is no High Voltage being provided to the
FIELD CHARGER or the COLLECTION CELLS.
Inspect the FIELD CHARGER assembly and
COLLECTION CELLS for any foreign material that
may be lodged in them. Clean as needed,
reassemble and test.
4. If the Air Cleaner still does nto work, remove Power
Door from the Air Cleaner Housing.
CAUTION HIGH VOLTAGE WILL BE
PRESENT FOR THE REMAINDER OF
THIS TEST.
5. With the indoor blower running and the power cord
plugged into the Air Cleaner, use a tool to activate the
Power Door interlock switch. Push the power button
once. The first green LED should come on and after
the time delay it should start to flash.
If the first Green LED does not start to flash the fault
is with the Power Door.
1. Remove the Power Door, FIELD CHARGER &
COLLECTION CELLS. Inspect for foreign
material, clean if needed.
1. This indicates service is needed.
See Service Facts for fault code information.
Pub. No. 18-HE56D1-3
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