Fedders FV95A054 Installating And Operation Manual page 43

TABLE 9
LED FLASH(ES) I NDICATES (FEDDERS UTEC 1170-25 CONTROLLER)
Green Off Internal controller or Room Air Fan failure.
DO NOT operate on heat until Fan failure cleared.
Roll-out open. Cycle power to reset.
1 Red Flame sensed with gas valve de-energized.
2 Red Pressure switch(es) remains open. Combustion
Blower cycles until low pressure switch closes. If
running, high pressure switch is open.
3 Red Pressure switch(es) remains closed. Combustion
Blower will not operate until switch(es) opened.
4 Red Open high room air limit switch.
5 Red Room Air Fan failed or rollout switch(es) open.
System lockout reset by recycling power.
Caution: Do not run on heat until fan operational.
6 Red 115 Volt AC power reversed or improper ground.
7 Red Low flame sense signal. 1 hour lockout.
8 Red Too many high air temperature limit trips. 1 hour
lockout.
9 Red Too many low pressure switch trips after ignition. 1
hour lockout
10 Red 1 hour lockout. Reset by cycling power or
thermostat.
CHECK and REPAIR
1. Replace Integrated Furnace Control.
2. Rollouts or Fan failure– see 5 Red
Flashes.
Mis-wiring is probable cause.
1. Pressure switch failure.
2. Pressure switch tubing, and wiring.
3. Obstructions in air intake or exhaust
flue system that prevent proper
combustion air flow.
1. Pressure switch(es) failure.
2. Pressure
jumpered.
Dirty filter or room air vents closed.
1. Wiring in good condition and securely
connected.
connector.
2. Check Room Air Fan by running A/C or
Fan (not heat).
3. Blockage in heat exchanger or venting.
Line voltage polarity, and earth ground.
1. Flame at burner.
2. Dirty or cracked flame sensor.
See 4 Red Flashes
See 2 Red Flashes.
1. Gas supply off or at too low pressure.
2. Smell gas? Igniter failure.
3. Earth grounded.
41
switch(es) mis-wired or
Drip leg at Motor