Table 33 - Isn Operational And Fault Codes - York YCAL0012EC Installation Operation & Maintenance

FORM 150.66-NM2
ISSUE DATE: 09/25/2020
TABLE 33 – ISN OPERATIONAL AND FAULT CODES
P56/58 OPERATIONAL CODE
0 NO ABNORMAl CONDITION
1 UNIT SWITCh OFF
2 SySTEM SWITCh OFF
3 lOCK-OUT
4
UNIT FAUlT
5 SySTEM FAUlT
6
REMOTE ShUTDOWN
7 DAIly SChEDUlE ShUTDOWN
8 NO RUN PERMISSIVE
9 NO COOl lOAD
10 ANTI-COINCIDENCE TIMER ACTIVE
11
ANTI-RECyClE TIMER ACTIVE
12 MANUAl OVERRIDE
13 SUCTION lIMITING
14 DISChARGE lIMITING
15 CURRENT lIMITING
16
lOAD lIMITING
17 COMPRESSOR(S) RUNNING
18 hEAT PUMP lOAD lIMITING
JOHNSON CONTROLS
ISN CONTROL (CON'T)
P57/59
0 NO FAUlT
1 VAC UNDER VOlTAGE
2 lOW AMBIENT TEMPERATURE
3 hIGh AMBIENT TEMPERATURE
4
lOW lEAVING ChIllED lIQUID TEMP
5 hIGh DISChARGE PRESSURE
6
hIGh DIFFERENTIAl OIl PRESSURE
7 lOW SUCTION PRESSURE
8 hIGh MOTOR CURRENT
9 llSV NOT ON
10 lOW BATTERy WARNING
11
hIGh OIl TEMPERATURE
12 hIGh DISChARGE TEMPERATE
13 IMPROPER PhASE ROTATION
14 lOW MOTOR CURRENT /MP / hPCO
15 MOTOR CURRENT UNBAlANCED
16
lOW DIFFERENTIAl OIl PRESSURE
17 GROUND FAUlT
18 MP /hPCO
19 lOW EVAPORATOR TEMPERATURE
20 INCORRECT REFRIGERANT PROGRAMMED
21
POWER FAIlURE, MANUAl RESET
REQUIRED
22 UNIT MOTOR CURRENT
23 lOW SUPERhEAT
24 SENSOR FAIl
25 DISChARGE INhIBIT
26
MP/hPCO INhIBIT
27 PUMP TRIP
28 PUMP FAIl MAKE FlOW
SECTION 10 - MAINTENANCE
FAULT CODE
10
159