⚡ Microcontroller Error Codes
Haier Searchable Fault & Error Code Guide
| Code | Condition / Symptom | Engineering Diagnosis & Fix |
|---|---|---|
| E7 | Communication error between indoor and outdoor unit | Verify terminal 1-2-3 interconnecting cable voltage. Inspect outdoor board communication circuit. |
| F3 | Outdoor discharge temperature sensor abnormal | Measure sensor resistance (50k ohm). Replace discharge pipe thermistor probe. |
| E4 / UNB | Unbalanced load or drain failure (Washing machines) | Level washer cabinet, inspect suspension rods, clean coin trap and drain discharge pump. |
Original Factory Parts
Genuine Haier Replacement Spares & Rate Card
🛡️ 1 Year comprehensive, 10 Years on compressor, 5 Years on PCB.
| Component / Spare Part | Transparent Pricing (₹) | Warranty Term | Status |
|---|---|---|---|
| ⚙️ Haier Triple Inverter Outdoor Controller PCB | ₹2,500 - ₹4,900 | 1 Year OEM Warranty | ✓ Available on Standby Van |
| ⚙️ Haier Highly/Panasonic Compressor | ₹6,800 - ₹10,900 | 5 Years Warranty | ✓ Available on Standby Van |
| ⚙️ Haier BLDC Indoor Blower Motor | ₹1,750 - ₹2,950 | 1 Year Warranty | ✓ Available on Standby Van |
| ⚙️ Haier Stepper Swing Motor | ₹550 - ₹950 | 6 Months Warranty | ✓ Available on Standby Van |
⚠️ Field Diagnostics
Common Haier Breakdown Symptoms
- Indoor to outdoor communication line drop (Code E7)
- Outdoor fan capacitor breakdown causing compressor thermal tripping
- Louver motor swing gear stripping
- Condensate water dripping due to drain trough block
📋 Certified SOP
Engineering Maintenance Protocol
- Initiate Frost Self-Clean cold expansion cycle to strip evaporator biofilm
- Descale Hyper PCB heatsink with anti-corrosion spray
- Check compressor winding insulation with high-voltage tester
- Nitrogen hold test to verify flare joint integrity at 400 PSI
📖 Haier Field Engineering Guide & Technical Documentation
Haier Triple Inverter split AC diagnostics, Frost Self-Clean servicing, Direct Motion washing machine overhauls, and deep freezer repairs across Pune.
⚡ Doorstep Technician Standby Vans
Haier Authorized Service Centers Across 82+ Pune Hubs
Select your locality below to access direct emergency dispatch, local arrival SLAs, and genuine Haier replacement parts.
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