| Document type | Service Information Letter |
|---|---|
| Document number | SI0476 |
| Equipment | YVAA Variable Speed Drive Screw Chiller |
| Brand | YORK |
| File size | 0.7 MB |
Fault codes in this document
2 of these messages are explained on a page of their own — cause, what to check, reset — written from this manual:
Faults and Warnings
| Code / display | Meaning | Cause | Action | Page |
|---|---|---|---|---|
| UNIT WARNING QUARTERLY SERVICE REQUIRED - CONTACT JCI |
Quarterly Service Required Warning (Warning Code: 1) | Manual Reset Warning; shutdown type: None. Enabled always. Acknowledge in Maintenance Mode (press the Service Key, enter password 0726, press Enter) to set the counter back to zero days. | 2 | |
| UNIT WARNING YEARLY SERVICE REQUIRED - CONTACT JCI |
Yearly Service Required Warning (Warning Code: 2) | Set when all of the following are true: Days Since Last Yearly Service >= 365 Days; Operating Hours Since Last Yearly Service > 2,890 Hours (33% of a year’s run hours = 24*365*0.33) | Manual Reset Warning; shutdown type: None. Allowed states: All; bypass time: None; trip time: Instantaneous. Acknowledge in Maintenance Mode (press the Service Key, enter password 0726, press Enter) to set the counter back to zero days. | 2 |
| UNIT WARNING 3 YEAR SERVICE REQUIRED - CONTACT JCI |
3 Year Service Required Warning (Warning Code: 3) | Set when Days Since Last 3 Year Service >= 1095 Days | Manual Reset Warning; shutdown type: None. Allowed states: All; bypass time: None; trip time: Instantaneous. Acknowledge in Maintenance Mode (press the Service Key, enter password 0726, press Enter) to set the counter back to zero days. | 2 |
| UNIT WARNING 5 YEAR SERVICE REQUIRED - CONTACT JCI |
5 Year Service Required Warning (Warning Code: 4) | Set when Days Since Last 5 Year Service >= 1825 Days | Manual Reset Warning; shutdown type: None. Allowed states: All; bypass time: None; trip time: Instantaneous. Acknowledge in Maintenance Mode (press the Service Key, enter password 0726, press Enter) to set the counter back to zero days. | 3 |
| SYS X WARNING - REPLACE OIL FILTER | System Replace Oil Filter Warning (Warning Code: 5) | Set when Differential Oil to Discharge Pressure > 50 PSID | Manual Reset Warning; shutdown type: None. Allowed states: All; bypass time: 15 Minutes of Run Time; trip time: 10 Minutes. Release after set; warnings are not logged to the History buffer. Acknowledge in Maintenance Mode (press the Service Key, enter password 0726, press Enter). | 3 |
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 YVAA 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.