| 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. 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.