Johnson Controls Hx 3 S1-THXU430W User Manual

5407934-UIM-C-1119
52 Johnson Controls Ducted Systems
TABLE 17: 2-Stage Furnace
Fault (Displayed Text) Description Category
FURNACE: FLAME
W/OUT POWER
Flame sensed with gas valve off Critical
FURNACE: LIMIT/ROLL-
OUT OPEN
Limit/Rollout switch open Critical
FURNACE: LIMIT/ROLL-
OUT OPEN 15 MIN
Limit/Rollout switch open for more than
15 minutes
Critical
FURNACE: PRESSURE
SWITCH LOCKOUT
Pressure switch cycle lockout Critical
FURNACE: SUPPLY PWR
REVERSED
Incorrect line voltage polarity Critical
FURNACE: GAS VALVE
CIRCUIT SHORT
Gas valve circuit shorted Critical
FURNACE: LIMIT/ROLL-
OUT OPEN 5 MIN
Limit/Rollout switch open from 5 min-
utes to 15 minutes
Critical
FURNACE: NO MODEL
PLUG
ID plug is missing or not connected
properly
Critical
FURNACE: CONTROL
FAILURE
Control failure Critical
FURNACE: PRESSURE
SWITCH OPEN
Pressure switch open with inducer on Critical
FURNACE: IGNITION
FAILED
Lockout due to failed ignition Critical
FURNACE: MULTI FLAME
DROPOUTS
Lockout due to too many flame drop-
outs
Critical
FURNACE: PRESSURE
SWITCH CLOSED
Pressure switch closed with inducer off Efficiency
FURNACE: 2S PRES-
SURE SWITCH OPEN
Second-stage pressure switch open
with high inducer on
Efficiency
FURNACE: FLAME ROD
AGE WARNING
Flame rod warning Efficiency
FURNACE: Y WITHOUT G Y thermostat demand without a G Status

Johnson Controls Hx 3 S1-THXU430W Specifications

General

Brand	Johnson Controls
Model	Hx 3 S1-THXU430W
Category	Thermostat
Language	English