201 Low
Your boiler is simply letting you know that it is currently busy heating up your tap water and is working as expected.
Technical description: The boiler is in domestic hot water (DHW) mode
Typical repair cost: £0 (including labour)
DIY fix possible
Check that your hot water taps are fully turned offOnce the tap is closed, wait a few moments for the code to disappear and the boiler to return to standby or heating modeIf the code stays on when all taps are off, you may have a dripping tap or a minor leak in the hot water pipework
Protect yourself from future repair bills
A boiler cover plan would cover faults like 201 — no call-out fees, no surprises.
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