Fault Codes / Bosch / H01 (5527)

Bosch H01 (5527)

High

Compress — Heat pump overfilled (refrigerant).

Bosch H01 (5527): Heat pump overfilled (refrigerant). This fault noticeably affects operation.

Possible causes

Too much refrigerant in system.

Check steps

Check charge vs spec & correct.

Affected parts

Kältemittel

Safety note

Follow F-Gas rules.

Source: Bosch/IVT/Buderus Compress Wärmepumpe Alarm-Tabelle (lvisawo.fi/jseducation.se resmi servis kılavuzu aynası) — Confirmed via direct PDF read p.24: code 5527, Customer, 'Alarm Z1 Too much refrigerant in cooling circuit', cause 'Heat pump overfilled', action 'Evacuate heat pump and refill with quantity specified

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