Safe first steps
- Check the electrical supply voltage using a multimeter.
- Ensure that the voltage is within the specified range for the appliance.
- If the voltage is abnormal, contact an electrician to resolve the issue.
Error code · Haier
E2 · Abnormal power supply voltage
The appliance has detected an abnormal power supply voltage. Check that the electrical supply is normal before reconnecting the appliance.
Extractor hoodCaution — Know When to StopFixLens verified
When to stop
- Stop if the voltage exceeds the appliance's rated specifications — risk of electrical damage.
Likely cause
The appliance has detected an abnormal power supply voltage. Check that the electrical supply is normal before reconnecting the appliance.
Verification
Reviewed by: automated manual extraction
Verified against Haier HAIH6IEMCE technical documentation
FixLens publishes its own structured technical logic verified against Haier HAIH6IEMCE documentation · last verified April 23, 2026.
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