BoilerFaultCodesIdeal L61 Fault Code
The Ideal L61 fault code means: your heat pump has detected an electrical fault within the wiring or the motor that drives the system, causing it to shut down to prevent damage.. It appears on 1 Ideal model in our database.
Technical description: Short Circuit to Compressor Terminals
What causes the Ideal L61 fault?
This fault occurs when the electrical current flowing to the heart of the heat pump is interrupted or takes a dangerous shortcut. It is most commonly caused by damaged internal wiring or an electrical failure within the compressor motor itself, which triggers a safety shutdown. Over time, vibration or moisture can wear down the insulation on these components, leading to this electrical malfunction.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Gas Safe Register →Ideal models that show the L61 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Ideal L61 fault code information on this page is sourced and cross-checked against the official Ideal service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026