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Fujitsu AC / Heat Pump Error Codes & Fixes

Fujitsu Air Conditioner / Heat Pump: 2 error codes with meaning, severity, likely causes and repair cost estimates.

2Codes
3.0Average severity
0%High or critical
50%DIY-friendly
Severity distributionSeverity distribution

Most viewed

11 Fujitsu · Air Conditioner / Heat Pump Error 11: the serial data link on terminal 3 between the Fujitsu indoor and outdoor units has… Moderate 51 Fujitsu · Air Conditioner / Heat Pump Error 51: the indoor fan ran far slower than commanded for about a minute, so the Fujitsu unit… Moderate

All codes (2)

All Severity 3+ Severity 4+
11 Fujitsu · Air Conditioner / Heat Pump Error 11: the serial data link on terminal 3 between the Fujitsu indoor and outdoor units has… Moderate 51 Fujitsu · Air Conditioner / Heat Pump Error 51: the indoor fan ran far slower than commanded for about a minute, so the Fujitsu unit… Moderate

Brands

Daikin Air Conditioner / Heat Pump 6Mitsubishi Electric Air Conditioner / Heat Pump 5LG Air Conditioner / Heat Pump 4Carrier Air Conditioner / Heat Pump 3Gree Air Conditioner / Heat Pump 3Goodman Air Conditioner / Heat Pump 2MRCOOL Air Conditioner / Heat Pump 2Midea Air Conditioner / Heat Pump 2Samsung Air Conditioner / Heat Pump 2Lennox Air Conditioner / Heat Pump 1Panasonic Air Conditioner / Heat Pump 1Trane Air Conditioner / Heat Pump 1