⚡ Microcontroller Error Codes
Bosch Searchable Fault & Error Code Guide
| Code | Condition / Symptom | Engineering Diagnosis & Fix |
|---|---|---|
| E09 | Heating element / compressor inverter temperature circuit trip | Measure heater resistance, verify NTC sensor readings. |
| E15 | Internal base pan leak sensor safety float activated | Locate internal water seepage, clear drain passage, reset safety float. |
| E18 | Water drainage pump flow restriction or impeller lock | Clean pump impeller filter chamber, check drain pump motor winding. |
| E24 | Water drain flow timeout or blockage | Inspect drain hose for kink, verify non-return check valve. |
| F02 | Water temperature thermistor circuit malfunction | Measure NTC probe resistance, check controller wiring harness. |
| F11 | Motor speed feedback communication error | Inspect EcoSilence motor cable harness, test Hall sensor pulses. |
Original Factory Parts
Genuine Bosch Replacement Spares & Rate Card
🛡️ 2 Years comprehensive, 10 Years EcoSilence Drive warranty.
| Component / Spare Part | Transparent Pricing (₹) | Warranty Term | Status |
|---|---|---|---|
| ⚙️ Bosch EcoSilence Drive Inverter Motor | ₹3,400 - ₹6,800 | 2 Years Warranty | ✓ Available on Standby Van |
| ⚙️ Bosch Electronic Heat Pump Control Board | ₹4,200 - ₹7,900 | 1 Year OEM Warranty | ✓ Available on Standby Van |
| ⚙️ Bosch Electronic Dual Flow Sensor | ₹1,200 - ₹2,100 | 1 Year Warranty | ✓ Available on Standby Van |
| ⚙️ Bosch Heavy-Duty Condensate Lift Pump | ₹1,650 - ₹2,950 | 1 Year Warranty | ✓ Available on Standby Van |
⚠️ Field Diagnostics
Common Bosch Breakdown Symptoms
- EcoSilence BLDC motor controller sensor feedback error (Code E09/E15)
- Inverter drive heat exchanger flow temperature difference exceedance
- Drainage condensate pump safety float switch lockout
- High pressure refrigerant safety switch trip
📋 Certified SOP
Engineering Maintenance Protocol
- Digital CAN-bus telemetry diagnostics via Bosch Service Tool
- EcoSilence motor rotor magnet inspection and winding insulation megger testing
- Descaling plate heat exchangers on Bosch heat pump hydronic loops
- Testing differential pressure sensor hysteresis
⚡ Doorstep Technician Standby Vans
Bosch Certified Diagnostic & Service Hubs Across Pune & MIDCs
Select your locality below to access direct emergency dispatch, local arrival SLAs, and certified Bosch component diagnostics.
Pune-Nagar Road & Shikrapur
<15 min arrival (Direct HQ Van)
Koregaon Bhima Industrial Corridor
📍 PIN: 412216
Pune-Nagar Road & Shikrapur
<15 min arrival (Direct HQ Van)
Talegaon Dhamdhere & Pabal Road
📍 PIN: 412208
Pune-Nagar Road & Shikrapur
<15 min arrival (Direct Highway Van)
Chakan-Shikrapur SH-55 Highway
📍 PIN: 412208, 410501
Pune-Nagar Road & Shikrapur
<15 min arrival (Direct HQ Van)
Tulapur Phata & Khandve Nagar
📍 PIN: 412216
Pune-Nagar Road & Shikrapur
<15 min arrival (Direct HQ Van)
Dingrajwadi Industrial Pocket
📍 PIN: 412208
Pune-Nagar Road & Shikrapur
<15 min arrival (Direct HQ Van)
Kondhapuri Industrial Corridor
📍 PIN: 412208
Greater Maharashtra & Mumbai Corridor
<60 min arrival
Taloja MIDC & Navi Mumbai Industrial
📍 PIN: 410208
Greater Maharashtra & Mumbai Corridor
<60 min arrival
Mahape, Rabale & TTC MIDC (Navi Mumbai IT)
📍 PIN: 400710, 400701
Greater Maharashtra & Mumbai Corridor
<75 min arrival (Regional Team)
Waluj MIDC & Shendra DMIC (Chhatrapati Sambhajinagar)
📍 PIN: 431136, 431007
Greater Maharashtra & Mumbai Corridor
<80 min arrival (Regional Team)
Ambad & Satpur MIDC (Nashik Industrial Hub)
📍 PIN: 422010, 422007
Greater Maharashtra & Mumbai Corridor
<90 min arrival (Regional Team)
Kagal-Hatkanangale Five Star MIDC (Kolhapur)
📍 PIN: 416236, 416109
Greater Maharashtra & Mumbai Corridor
<65 min arrival
Patalganga & Rasayani Chemical Zone
📍 PIN: 410220
Greater Maharashtra & Mumbai Corridor
<60 min arrival
Airoli Mindspace & Hyperscale Data Parks
📍 PIN: 400708
Greater Maharashtra & Mumbai Corridor
<60 min arrival
Turbhe MIDC & APMC Cold Chain Hub
📍 PIN: 400705, 400703
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