| Document type | Service Information Letter |
|---|---|
| Document number | SI0373 |
| Equipment | YK Centrifugal Chiller |
| Brand | YORK |
| File size | 0.3 MB |
Fault codes in this document
Warnings and Safeties
| Code / display | Meaning | Cause | Action | Page |
|---|---|---|---|---|
| HARMONIC FILTER: OPERATION INHIBITED | Warning that Harmonic Filter operation has been inhibited. | Displayed only when the operator inhibits the Harmonic Filter Operation and the filter is present. Software version V04 fixes this warning message, which previously could be displayed incorrectly. | 3 | |
| Loss of Sub-Cooler Liquid Seal Warning | Warning indicating loss of the sub-cooler liquid seal. | In software release V04 the warning is excluded during Soft Shutdown of the unit, and the time to set the warning is increased from 2 continuous minutes to 5 continuous minutes. | 3 | |
| VSD - LINE VOLTAGE PHASE ROTATION | VSD safety. | In software version V04 this safety is changed from a Safety Lockout to a Cycling Safety. | 4 | |
| VSD - PHASE LOCKED LOOP | VSD safety. | In software version V04 this safety is changed from a Safety Lockout to a Cycling Safety. | 4 | |
| Phase Rotation Fault Message | Fault message displayed after a power cycling event. Software version V04 fixes a bug that displayed "Requesting Fault Data..." instead of this message. | 4 |
Every row above cites the page of this document it came from, and each one is re-read against that page by an automatic check before publication. The short table of all YORK YK messages: fault codes.
Manufacturer document, published here as reference material for equipment we supply. The original lives at docs.johnsoncontrols.com. The rights holder may ask us to take it down — we will.
