| Document type | Service Information Letter |
|---|---|
| Document number | SI0058 |
| Equipment | YK Centrifugal Chiller |
| Brand | YORK |
| File size | 0.2 MB |
Fault codes in this document
Oil Pressure Threshold
| Code / display | Meaning | Cause | Action | Page |
|---|---|---|---|---|
| Oil – High Differential Pressure | Safety shutdown; with this Flash Memory Card version the trip threshold for this safety shutdown is changed from 90 PSID to 120 PSID | 1 |
VSD Cycling Shutdown Messages
| Code / display | Meaning | Cause | Action | Page |
|---|---|---|---|---|
| VSD – Low Phase A Inverter Baseplate Temperature | Cycling shutdown message applicable to this VSD (p/n 371-03789-xxx) | The chiller has shutdown because the Baseplate temperature has decreased to <37 ºF. | 2 | |
| VSD – Low Phase B Inverter Baseplate Temperature | Cycling shutdown message applicable to this VSD (p/n 371-03789-xxx) | Same as Phase A: the chiller has shutdown because the Baseplate temperature has decreased to <37 ºF. | 2 | |
| VSD – Low Phase C Inverter Baseplate Temperature | Cycling shutdown message applicable to this VSD (p/n 371-03789-xxx) | Same as Phase A: the chiller has shutdown because the Baseplate temperature has decreased to <37 ºF. | 2 |
VSD Safety Shutdown Messages
| Code / display | Meaning | Cause | Action | Page |
|---|---|---|---|---|
| VSD – High Phase A Inverter Baseplate Temperature | Safety shutdown message applicable to this VSD (p/n 371-03789-xxx) | The chiller has shutdown because the Baseplate temperature has increased to >158 ºF. | 2 | |
| VSD – High Phase B Inverter Baseplate Temperature | Safety shutdown message applicable to this VSD (p/n 371-03789-xxx) | Same as Phase A: the chiller has shutdown because the Baseplate temperature has increased to >158 ºF. | 2 | |
| VSD – High Phase C Inverter Baseplate Temperature | Safety shutdown message applicable to this VSD (p/n 371-03789-xxx) | Same as Phase A: the chiller has shutdown because the Baseplate temperature has increased to >158 ºF. | 2 | |
| Harmonic Filter – High Baseplate Temperature | Safety shutdown message applicable to this VSD (p/n 371-03789-xxx) | The chiller has shutdown because the Baseplate temperature has increased to >194 ºF. | 2 |
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.