204
YORK INTERNATIONAL
FORM 201.19-NM8 (804)
Micro Panel Contents
P56/58 C1 Operational Code P57/59 C1 Fault Code
0 No Abnormal Condition 0 No Fault
1 Unit Switch Off 1 VAC Under Voltage
2 System Switch Off 2 Low Ambient Temperature
3 Lock - Out 3 High Ambient Temperature
4 Unit Fault 4 Low Leaving Chilled Liquid Temp
5 System Fault 5 High Discharge Pressure
6 Remote Shutdown 6 High Differential Oil Pressure
7 Daily Schedule Shutdown 7 Low Suction Pressure
8
No Run Permissive
Flow Switch Open (Euro CAT)
8 High Motor Current
9 No Cool Load 9 LLSV Not On
10 Anti-Coincidence Timer Active 10 Low Battery Warning
11 Anti-Recycle Timer Active 11 High Oil Temperature
12 Manual Override 12 High Discharge Temperature
13 Suctioin Limiting 13 Improper Phase Rotation
14 Discharge Limiting 14 Low Motor Current / MP / HPCO
15 Current Limiting 15 Motor Current Unbalanced
16 Load Limiting 16 Low Differential Oil Pressure
17 Compressor Running 17 Ground Fault
18 MP / HPCO
19 Low Evaporator Temperature
20 Incorrect Refrigerant Programmed
21 Power Failure, Manual reset Required
22 I/O Board Failure
23 Low Superheat
24 Sensor Fault
25 Reprogram Unit Type
26 MP / HPCO Inhibit
27 Heat Recovery Select
TABLE 19 – ISN OPERATIONAL AND FAULT CODES
* The operational and fault codes are defi ned in Table 19. Note that this table of fault and operational codes is for
all DX products. The codes that are grayed out are not used on this unit.
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