| Document type | Service Information Letter |
|---|---|
| Document number | SI0616 |
| Equipment | YCAV Variable Speed Drive Screw Chiller |
| Brand | YORK |
| File size | 0.3 MB |
Fault codes in this document
5 of these messages are explained on a page of their own — cause, what to check, reset — written from this manual:
Compressor Shutdown Control
| Code / display | Meaning | Cause | Action | Page |
|---|---|---|---|---|
| High Ambient Temp | Ramped: Soft Shutdown Disabled Soft Ramped: Soft Shutdown Enabled | 2 | ||
| High Discharge Pressure | Ramped: Soft Shutdown Disabled Soft Ramped: Soft Shutdown Enabled AND Discharge Pressure Cutout < 200 PSIG | 2 | ||
| High Oil Temp | Ramped: Soft Shutdown Disabled Soft Ramped: Soft Shutdown Enabled | 2 | ||
| High Flash Tank Level | Ramped: Soft Shutdown Disabled Soft Ramped: Soft Shutdown Enabled Turn off economizer solenoid during ramp down | 2 |
Faults and Warnings
| Code / display | Meaning | Cause | Action | Page |
|---|---|---|---|---|
| High Discharge Pressure Cutout (Software) | When using software build -225 or -AGR, a system will shut down when discharge pressure rises above the programmed cutout for 0.5 seconds. | A system will be inhibited from starting when its Discharge Pressure is above the programmed cutout - 15 PSIG. | 2 |
High Oil Temperature Cutout
| Code / display | Meaning | Cause | Action | Page |
|---|---|---|---|---|
| High Oil Temperature Cutout | The High Oil Temperature Cutout fault will clear and be disabled when Oil Temp Sensor is Disabled. | 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 YCAV 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.