| Document type | Service Information Letter |
|---|---|
| Document number | SI0396 |
| Equipment | YK Centrifugal Chiller |
| Brand | YORK |
| File size | 0.2 MB |
Fault codes in this document
1 of these messages are explained on a page of their own — cause, what to check, reset — written from this manual:
System Status
| Code / display | Meaning | Cause | Action | Page |
|---|---|---|---|---|
| SYSTEM COASTDOWN (and countdown timer) | Chiller is in coastdown and the highest active event is a Safety Fault. Message is shown in red. | 2 | ||
| SYSTEM COASTDOWN (and countdown timer) | Chiller is in coastdown and the highest active event is a Cycling Fault or a Start Inhibit. Message is shown in orange. | 2 | ||
| SAFETY SHUTDOWN – MANUAL RESTART | Chiller is stopped and the highest active event is a Safety Fault. Message is shown in red. | Manual restart required. | 2 | |
| CYCLING SHUTDOWN – AUTO RESTART | Chiller is stopped and the highest active event is a Cycling Fault. Message is shown in orange. | Restart is automatic. | 2 | |
| START INHIBIT | Chiller is stopped and the highest active event is a Start Inhibit. Message is shown in orange. | 2 | ||
| MVVSD STARTUP – DRIVE NOT READY | Chiller is in the MVVSD Startup state and the drive is not ready. Message is shown in yellow. | 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.