Verified codeset result
The manufacturer documentation publishes fault code E1 for the HP300S2-F7 controller display, mapped to the affected Haier models listed below.
Fault code E1
Haier HP300S2-F7 controller display: E1
HP300S2-F7 controller display
Last verified from the captured official source review.
E1 meaning for this display codeset
This page isolates Haier fault code E1 for the HP300S2-F7 controller display. It does not combine the Haier E1 meaning with another controller or codeset.
Before applying the Haier E1 meaning, confirm the affected model uses the HP300S2-F7 controller display. In that controller namespace, E1 means documented as electricity leakage alarming.
The Haier HP300S2-F7 Heat Pump Water Heater Operation and Installation Manual source anchor on page 38 supports this Haier E1 record for the HP300S2-F7 controller display.
The permanent source key haier-hp300s2-f7-display E1 keeps the haier-hp300s2-f7-display E1 controller/code pairing distinct in publication.
What the documentation says
Documented as Electricity leakage alarming.
This is a paraphrase of the manufacturer’s documentation. A licensed technician confirms the actual cause.
Severity
Red means the documented fault involves safety-critical, leak, electrical, refrigerant, lockout or overheat language.
Source-grounded diagnosis context
Documented causes
The manual’s Action column documents a line fault that triggers automatic power disconnection.
Source: Haier HP300S2-F7 Heat Pump Water Heater Operation and Installation Manual, PDF page 38
Owner outcomes
What owners reported next
This aggregate appears after at least three structured reports for this exact codeset and code. Counts come from fixed choices only. Private notes are never shown here.
- Fixed
- Unit replaced
- Still unresolved
Repair, replacement and warranty context
Prioritise safety before the repair-or-replace decision
A red classification warrants urgent assessment by an appropriately licensed professional. The code alone cannot establish whether a component repair or full system replacement is proportionate.
This brand has a verified current Australian support route, so check warranty coverage with the manufacturer before authorising paid repair or replacement work.
Affected models
Every model mapped to this codeset is listed with the evidence match state used by this site.
- HaierHP300S2-F7Exact manual match
Related codes from this codeset
These codes appear in the same documented controller or display codeset.
Choose the right next step
Warranty or local repair?
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Choose both answers to see the recommended route.
Start with the manufacturer
The unit is under warranty or its coverage is uncertain, so no local repair lead form is shown. Ask the manufacturer about warranty support and keep proof of purchase.
Manufacturer route
Official support
Active support recorded
This brand is recorded as active in the Australian market.
Haier continues to publish current Australia/New Zealand heat-pump water-heater owner and service material.
Status checked · Research source
Domestic heat-pump water heaters: 5 years parts and labour, followed by an additional 2 years parts-only cover on the cylinder.
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Official source
Where this result comes from
Haier. Haier HP300S2-F7 Heat Pump Water Heater Operation and Installation Manual, PDF page 38. Retrieved .