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Daikin 2MXS40G2V1B User Manual

Daikin 2MXS40G2V1B
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SiBE12-816_D
Table of Contents iv
6. Troubleshooting for SA Indoor Unit - FFQ Series ...............................223
6.1 Indoor Unit PCB Abnormality ...............................................................223
6.2 Drain Water Level System Abnormality................................................224
6.3 Fan Motor or Related Abnormality .......................................................226
6.4 Drain System Abnormality....................................................................227
6.5 Thermistor or Related Abnormality.......................................................228
6.6 Remote Controller Thermistor Abnormality ..........................................230
6.7 Signal Transmission Error
(between Indoor Unit and Remote Controller)......................................231
6.8 Signal Transmission Error
(between MAIN Remote Controller and SUB Remote Controller)........232
6.9 Field Setting Abnormality .....................................................................233
7. Troubleshooting for Outdoor Unit........................................................235
7.1 Anti-icing Control for Indoor Unit ..........................................................235
7.2 OL Activation (Compressor Overload) .................................................237
7.3 Compressor Lock .................................................................................238
7.4 DC Fan Lock ........................................................................................239
7.5 Input Overcurrent Detection .................................................................240
7.6 Discharge Pipe Temperature Control...................................................241
7.7 High Pressure Control in Cooling .........................................................242
7.8 Compressor Sensor System Abnormality ............................................243
7.9 Position Sensor Abnormality ................................................................244
7.10 DC Voltage / Current Sensor Abnormality............................................246
7.11 Thermistor or Related Abnormality (Outdoor Unit)...............................247
7.12 Electrical Box Temperature Rise..........................................................249
7.13 Radiation Fin Temperature Rise ..........................................................250
7.14 Output Overcurrent Detection ..............................................................252
7.15 Refrigerant Shortage ............................................................................254
7.16 Low-voltage Detection or Over-voltage Detection................................256
7.17 Outdoor Unit PCB Abnormality or Signal Transmission Error ..............257
7.18 Unspecified Voltage (between Indoor Unit and Outdoor Unit) /
Anti-icing control in Other Room ..........................................................260
8. Check ..................................................................................................261
8.1 Thermistor Resistance Check ..............................................................261
8.2 Fan Motor Connector Output Check ....................................................262
8.3 Hall IC Check .......................................................................................262
8.4 Power Supply Waveforms Check.........................................................262
8.5 Electronic Expansion Valve Check.......................................................263
8.6 Four Way Valve Performance Check ...................................................264
8.7 Inverter Unit Refrigerant System Check...............................................265
8.8 “Inverter Checker” Check .....................................................................266
8.9 Rotating Pulse Input on the Outdoor Unit PCB Check .........................268
8.10 Installation Condition Check.................................................................269
8.11 Discharge Pressure Check...................................................................269
8.12 Outdoor Unit Fan System Check..........................................................270
8.13 Main Circuit Short Check......................................................................270
8.14 Power Module Check ...........................................................................271
Part 7 Removal Procedure ........................................................272
1. Outdoor Unit........................................................................................273
1.1 Removal of Outer Panels .....................................................................273

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Daikin 2MXS40G2V1B Specifications

General IconGeneral
BrandDaikin
Model2MXS40G2V1B
CategoryAir Conditioner
LanguageEnglish

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