Soleus Air KFHHP-22 service manual

Page 28

When unit is cooling or heating, both compressor and outdoor fan don't run

When unit is cooling or heating, the compressor runs but outdoor fan doesn't run

When cooling or heating, outdoor fan runs, but compressor doesn't run.

When cooling or heating, outdoor fan runs, but compressor doesn't run.

Fan doesn't run when FAN mode is set

Abnormal power supply of outdoor unit

Damage of outdoor main control board

Breakage of outdoor power module

Improper setting of temperature

Breakage of outdoor fan motor

Wrong wire connection

Breakage of outdoor main control board

Breakage of outdoor fan capacitor

Malfunction of compressor

Poor contact of connection between the main control board and module

Abnormal input of power module

Abnormal output of power module

Compressor temperature is too high

Wrong wiring

Damage of outdoor main control board

Burn-out or broken wire of indoor fan motor

Wrong wiring

Circuit break or damage of fan motor capacitor

Check the circuit according to circuit diagram

Replace the main control board

Replace the power module

Adjust the set temperature

Replace the fan motor

Wire according to the circuit diagram

Replace the main control board

Replace the fan capacitor

Replace the compressor

Re-fasten the connection

Check if input is 320V. If not, replace the rectifier

Replace the power module

Cool the compressor for 30 min before running

Wire according to the circuit diagram

Replace the outdoor main control board

Repair or change the fan motor

Wire according to the circuit diagram

Replace the indoor main control board

-28

Image 28
Contents Introduction and features Model RemarksSpecifications and technical parameters KFHHP-22KFHHP-22-OD Components name Indoor unit Outdoor unitOverall and installation dimension Overall and installation dimension of indoor unitOverall and installation dimension of outdoor unit NutGggggKFHHP-22 Fundamental function Temperature parametersOther control Communication failure Parameters of temperature Cool modeDehumidifying mode Fan modeTime-delay protection of compressor High exhausting gas temp. protection of compressorCurrent protection function Overcurrent protection Defrosting processTesting of malfunction of temp. sensor and IPM overheating Frequency demultiplying, limitation of current controlCommunication failure Module protectionStatus of indicator in outdoor unit D11D17 Disassemble filter Disassemble guide louverDisassemble electrical box cover Disassemble front caseDisassemble electrical box Disassemble water tray Disassemble evaporator assyDisassemble motor Disassemble cross flow fanDisassembly procedures for outdoor unit Operating procedures /picturesDisassemble housing case Disassemble 4-way valve Disassemble motor and motor supportOperating procedures/pictures Disassemblle capillaryExploded view and components&part list Indoor unitComponents and part list of indoor unit KFHHP-22-OD Components and part list of outdoor unit PCB JGP011Troubleshooting Replace the controller Change batteryPage Poor cooling heating effect Improper setting of temperature Wrap and tight it again Malfunction display section Rectifying bridge, reactor, capacitance etc. is ok