Daikin E5-07

Critical

VRV / Sky Air — Inverter compressor 2 lock.

Daikin E5-07: Inverter compressor 2 lock. This fault typically halts operation and needs immediate attention.

Possible causes

Compressor 2 mechanically locked / winding.

Check steps

Power off: measure winding & insulation comp 2.
Check INV PCB.

Affected parts

Verdichter 2
Inverter-Platine

Safety note

High voltage! Let capacitors discharge.

Source: Daikin SM-TS3 (Simple Self-Diagnosis by Malfunction Code, resmi) veya VRV IV+ Service Manual (ManualsLib) — ManualsLib p.69: E5-07 (grouped with 08,09) = 'Compressor Overload Error [M2C]'. Same confirmation basis as E5-01.

Reviewed by Anıl Güzeldemir — in the refrigeration machine room since 2006, developer of Enthalio.

Look up in Enthalio →

Related fault codes

Outdoor PCB faulty.E1 Refrigerant shortage (low pressure / stop valvU0 Power supply defect / brief power failure.U2 Transmission error indoor/outdoor unit.U4 Low-pressure protection / LP sensor (suction bE4 Inverter compressor instantaneous overcurrent L5