⚡ 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
📖 Bosch Field Engineering Guide & Technical Documentation
Certified Bosch German engineering climate and appliance care, EcoSilence Drive BLDC inverter motor repair, heat pump water heater diagnostics, and Climate 5000/8000 VRF support across Pune.
⚡ Doorstep Technician Standby Vans
Bosch Authorized Service Centers Across 82+ Pune Hubs
Select your locality below to access direct emergency dispatch, local arrival SLAs, and genuine Bosch replacement parts.
🔍
Displaying 82 active service centers