66
JOHNSON CONTROLS
FORM 150.68-ICOM1
ISSUE DATE: 10/15/2020
TABLE 5 - YORKTALK 2 COMMUNICATIONS DATA MAP (CONT’D)
ENG ASCII Operational Code ENG ASCII Fault Code
PAGE PAGE PAGE PAGE
P56 P54 C_OPER.CODE P57 P55 C_FAULT.CODE
0 0 No Abnormal Condition 0 0 No Fault Code
1 1 Unit Switch Off 1 1 VAC Undervoltage
2 2 System Switch Off 2 2 Low Ambient Temperature
3 3 Lock-Out 3 3 High Ambient Temperature
4 4 Unit Fault 4 4 Low Leaving Chilled Liquid Temperature
5 5 System Fault 5 5 High Discharge Pressure
6 6 Remote Shutdown 6 6 High Differential Oil Pressure
7 7 Daily Schedule Shutdown 7 7 Low Suction Pressure
8 8 No Run Permissive 8 8 High Motor Current
9 9 No Cool Load 9 9 LLSV Not On
10 10 Anti-Coincidence Timer Active 10 10 Low Battery Warning
11 11 Anti-Recycle Timer Active 11 11 High Oil Temperature
12 12 Manual Override 12 12 High Discharge Temperature
13 13 Suction Limiting 13 13 Improper Phase Rotation
14 14 Discharge Limiting 14 14 Low Motor Current / MP / HPCO
15 15 Current Limiting 15 15 Motor Current Inpomabalanced
16 16 Load Limiting 16 16 Low Differntail Oil Pressure
17 17 Compressor(s) Running 17 17 Grpound Fault
18 18 Heat Pump Load Limiting ( HP Only) 18 18 MP / HPCO Fault
19 19 Low Evaporator Temperature
20 20 Incorrect Refrigernat Programmed
21 21 Power Failure, Manual Reset Required
22 22 Unit Motor Current
23 23 Low Superheat
24 24 Sensor Fault
25 25 Discharge Inhibit
26 26 MP/HPCO Inhibit
27 27 Pump Trip
28 28 Pump Fail Make Flow
29 29 High Ambient Temperature
* Note
Shaded Codes may not be available on all
models. Please check the Fault and
Operational codes against the codes
published in
our operators manual or confirm
Code is available through the display of your
unit. If the Code appears in the display, you
will recieve that value through the
BAS.
Revision: YCAL_YCWL_YCUL_YLAA_YLUA Small Tonnage Scroll (Rev K_03 ) Tab: YCAL-YCWL-YLAA-YLUA-YCRL 2550) Property of York International York, PA Page: 3
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