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MAXA BDLM26A2 User Manual

MAXA BDLM26A2
40 pages
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TECHNICAL MANUAL 2013
SPLIT LIGHT MULTI DC INVERTER
MODELS
Indoor units Outdoor units
BDLM26A2 BD2M53A3
BDLM36A2 BD3M98A3
BDLM53A2
This manual has been created for informative purpose. The company declines every responsibility for the results of projecting or installation based on the explanations and the technical specifications
given in this manual. Is besides forbidden the reproduction under any form of the texts and of the figures contained in this manual.
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MAXA BDLM26A2 Specifications

General IconGeneral
BrandMAXA
ModelBDLM26A2
CategoryAir Conditioner
LanguageEnglish

Summary

1. Specifics

3. Refrigerant Circuit

4. Electrical Diagram

6. Control Functions

7. Outdoor Units Operation

8. Troubleshooting

8.1. Indoor Unit Malfunctions

Overview of indoor unit malfunction display requirements and methods.

8.2. How to Check Simply the Main Part

Flowcharts for troubleshooting common malfunctions like U8, C5, H6, F1/F2, E6.

8.2.1 U8 Malfunction

Troubleshooting steps for U8 malfunction, related to zero-cross detection circuit.

8.2.2 C5 Malfunction

Troubleshooting steps for C5 malfunction, related to jumper cap issues.

8.2.3 H6 Malfunction

Troubleshooting steps for H6 malfunction, concerning the fan motor.

8.2.4 F1/F2 Malfunction

Troubleshooting steps for F1/F2 malfunction, related to jumper cap on mainboard.

8.2.5 E6 Malfunction Inspection

Inspection procedure for E6 malfunction (communication error).

8.3. Outdoor Unit Malfunction Display

Table detailing outdoor unit malfunctions and corresponding LED indicators.

IPM Protection Malfunction

Troubleshooting steps for IPM protection malfunction, checking voltage, wiring, and load.

PFC Protection Malfunction

Troubleshooting steps for PFC protection malfunction, checking power supply and induction.

Capacity Charging Malfunction

Troubleshooting steps for capacity charging malfunction, checking capacitor voltage and wiring.

Anti-high Temperature and Overload Malfunction

Troubleshooting steps for high temperature and overload protection.

Temperature Sensor Malfunction

Troubleshooting steps for temperature sensor damage or connection issues.

Start Failure Malfunction

Troubleshooting steps for compressor start failure, checking wiring, refrigerant, and duration.

Communication Malfunction

Troubleshooting steps for communication issues between indoor and outdoor units.

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