Micro Panel Contents

FORM 201.19-NM1 (204)

TABLE 14 – ISN OPERATIONAL AND FAULT CODES

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

8

High Motor Current

Flow Switch Open (Euro CAT)

 

 

 

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

Suction 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

 

 

 

 

*The operational and fault codes are defined in table 14. 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.

192

YORK INTERNATIONAL

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York YCAS0130 manual ISN Operational and Fault Codes, 192