E.02 – .07 High
Your boiler has detected that there is not enough water in the central heating system to operate safely.
Technical description: No or low system water pressure. system pressure less than 0.5bar
Typical repair cost: £0-120 (including labour)
DIY fix possible
Locate the filling loop (the flexible silver hose) underneath your boiler.Slowly open the one or two taps on the loop until you hear water flowing.Watch the pressure gauge until it reaches 1.5 bar, then close the taps tightly.
Protect yourself from future repair bills
A boiler cover plan would cover faults like E.02 – .07 — no call-out fees, no surprises.
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Parts commonly replaced
- Filling loop
- Pressure sensor
- Automatic air vent
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