ERR-VOLT
Midea ERR-VOLT Error Code – Outdoor Voltage Protection
Air Conditioner · HIGH Severity
What This Error Means
Outdoor voltage protection activated
Diagnostic & Repair Steps
1
Check Supply Voltage
Measure incoming voltage at outdoor unit.
Measure incoming voltage at outdoor unit.
TEST
~10 min
2
Monitor Voltage Stability
Check for fluctuations.
Check for fluctuations.
TEST
~15 min
3
Check Power Wiring
Inspect all power connections. ⚠️ Disconnect power first
Inspect all power connections. ⚠️ Disconnect power first
INSPECT
~10 min
4
Install Voltage Stabilizer
Recommend stabilizer if supply unstable.
Recommend stabilizer if supply unstable.
CHECK
~5 min
5
Replace Outdoor PCB
If voltage normal but error persists.
If voltage normal but error persists.
REPLACE
~30 min
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