86
Mitsubishi Heavy
Mitsubishi Heavy air conditioner error 86
Meaning
High pressure control
Models
SRC25QA-S, SRC35QA-S, SRK25QA-S, SRK25ZJP-S, SRK35QA-S, SRK35ZJP-S, SRK50ZJP-S
Meaning
Heating high pressure control
Models
SRK15ZTL-W, SRK25ZSP-W, SRK35ZSP-W, SRK45ZSP-W
How the unit shows it
- RUN light (10's digit): 8 time flash
- TIMER light (1's digit): 6 time flash
- RUN lamp (tens place): Flash 8 times
- TIMER lamp (ones place): Flash 6 times
Causes and how to check
- 3 possible causes
- the cited manual page, and follow-up questions
No account needed to look up codes.
Guides
- Pressure, low refrigerant and high discharge temperature errors: where to start
Pressure and discharge-temperature protection codes: tell a low charge from a blockage or poor heat rejection before charging.