| 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.
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.