Johnson Controls Hx 3 S1-THXU430W - Page 61

5407934-UIM-C-1119
Johnson Controls Ducted Systems 61
OUTDOOR: FFUEL CON-
FIG ERROR
Fossil fuel mode setting error. The
FFUEL jumper is in the OFF position
with the bonnet sensor present.
Critical
OUTDOOR: AC NOW HP
System previously configured as AC,
now HP
Critical
OUTDOOR: HP NOW AC
System previously configured as HP,
now AC
Critical
OUTDOOR: HP NOW AC-
HRD LO
System previously configured as HP,
now AC
Critical
OUTDOOR: NO TON-
NAGE SET
Jumpers at 000 with no program loaded
and no tonnage selected
Critical
OUTDOOR: COOLING
LTCO
Cooling LTCO active Critical
OUTDOOR: HPS OPEN
High-pressure switch fault (not in lock-
out yet)
Efficiency
OUTDOOR: PIPE FRZE
TIMER EXP
Pipe freeze timer expiration Efficiency
OUTDOOR: LOW VOLT-
AGE< 19V
Low voltage (below 19.2 VAC) prevent-
ing further relay outputs
Warning
OUTDOOR: O INPUT-AC
MODE
O signal received in AC mode Warning
OUTDOOR: W INPUT-AC
MODE
W signal received in AC mode Warning
OUTDOOR: W & O
INPUTS-AC
W and O signals received in AC mode Warning
OUTDOOR: W & O
INPUTS-HP
W and O signals received in HP mode Warning
TABLE 22: 2-Stage AC-HP (Continued)
Fault (Displayed Text) Description Category