51
Mitsubishi Heavy
Mitsubishi Heavy air conditioner error 51
Meaning
Short circuit in the power transistor (high side) / Current cut circuit breakdown
Models
SRK15ZTL-W, SRK25ZSP-W, SRK35ZSP-W, SRK45ZSP-W
How the unit shows it
- RUN light (10's digit): 5-time flash
- TIMER light (1's digit): 1-time flash
Causes and how to check
- 2 possible causes
- the cited manual page, and follow-up questions
No account needed to look up codes.
Model series: SRK