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Electrolux KELVINATOR KSV53HRA Diagnostic Manual

Split system reverse cycle air conditioner.
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ELECTROLUX HOME PRODUCTS PTY LTD
ABN 51 004 762 341
Technical Publication Nº KSSSI90
DIAGNOSTIC MANUAL
 Copyright 2015 ELECTROLUX HOME PRODUCTS PTY LTD Technical Services
KELVINATOR
SPLIT SYSTEM
AIR-CONDITIONER
Issue: 7
Date: 12/15
MODELS:
KSV53HRA
KSV62HRA
KSV70HRA

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Table of Contents

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   Summary of Contents for Electrolux KELVINATOR KSV53HRA

  • Page 1 ELECTROLUX HOME PRODUCTS PTY LTD ABN 51 004 762 341 Issue: 7 Technical Publication Nº KSSSI90 Date: 12/15 KELVINATOR SPLIT SYSTEM AIR-CONDITIONER DIAGNOSTIC MANUAL MODELS: KSV53HRA KSV62HRA KSV70HRA  Copyright 2015 ELECTROLUX HOME PRODUCTS PTY LTD Technical Services...
  • Page 2 Indoor Unit & PCB test board Error Display. DISPLAY LED STATUS PAGE Not Operating No operation by use of remote control 3 to 6 EEPROM parameter error Indoor / outdoor units communication protection 8 to 17 Indoor Unit Fan Stall 30 &...
  • Page 3 Not Operating: # While the unit is in “stand by” mode, check if the green stand by light is flashing at 1 Hertz? # Try operating the unit by the forced operations button: By pressing the button once, the unit should activate in Auto mode.
  • Page 4 # If the frequency light is flashing & the unit can only be operated by the forced operations button. The “Memory Module PCB” could be faulty. Refer attached photo’s Note: There is no real way of isolating this Memory Module PCB & testing it, apart from replacing the indoor control box assembly.
  • Page 5 # If the unit cannot be operated by the use of the remote control or the forced operation button, proceed as follows: # Check the wiring configuration from the indoor unit to the outdoor unit. Is it wired up correctly in accordance to the wiring diagram provided on the underside of the plastic outdoor terminal cover? # Check the supply voltage to the outdoor terminal block.
  • Page 6 # Check the supply voltage from the indoor PCB to the transformer. If there is 240 Volts AC from this connection point on the indoor PCB, replace the transformer. If there is no supply voltage from this point, replace the indoor main PCB. Transformer AC voltage connection points.
  • Page 7 E0 error: # The E0 error indicates there is a software issue/program chip fault on the main indoor PCB assembly. # Replace the main indoor PCB assembly. If any one of the program chips fail, as highlighted by the red arrows, this could cause an E0 error. Page 7 KSSSI90...
  • Page 8 E1 error: (Indoor / outdoor units communication protection) error diagnosis and solution). # Check for DC voltage at the following points: • While in “standby mode”, disconnect the Signal Wire off the outdoor terminal block. • With a multimeter, test the DC output from the signal wire connecting to the indoor unit & earth.
  • Page 9 E1 error (Indoor Unit) # Disconnect the main power supply to the outdoor unit by means of the isolation switch. After approximately one minute, turn the power supply back on & attempt to operate the unit on heating or cooling mode by the use of the remote control. If E1 fault has not cleared: # Check the continuity of the (3uF) indoor fan capacitor mounted vertically inside the indoor control box assembly.
  • Page 10 E1 error (Outdoor Unit) If E1 fault has not cleared: Check the continuity of the “Bridge Rectifier” as illustrated below. Turn off the power & let the inverter electrolytic capacitors completely discharge. Identify the diodes individual ‘Plus’ and ‘Minus’ connections so as to test each diode's forward and reverse resistance values.
  • Page 11 If E1 fault has not cleared: Check the continuity of the “IGBT” as illustrated below. Turn off the power & let the inverter electrolytic capacitors completely discharge. Identify the Negative DC, U, V & W soldered points so as to test each internal IGBT resistance value. The diagrams listed below illustrate the method of achieving this.
  • Page 12 If E1 fault has not cleared: # Check the wiring connection configuration from the indoor to the outdoor units, in accordance to the wiring diagram attached to the inside of the outdoor units plastic terminal block cover. # Check the continuity on the “S” communication wire from the indoor units connection point, to the outdoor units connection point.
  • Page 13 If E1 fault has not cleared: # Check the continuity of the active wiring connection on the main outdoor terminal block, to the (CN4) soldered wiring point on the outdoor main PCB. “CN4” point on outdoor main PCB. Active wiring connection point on main outdoor terminal block.
  • Page 14 If E1 fault has not cleared: # Check the continuity of the red connection wire located on the 50uf capacitor to the “CN3” soldered wiring point on the outdoor main PCB. Caution: Discharge the 50uf capacitor prior to any service work. Red connection wire to 50uf capacitor.
  • Page 15 Caution: Discharge the 50uf capacitor prior to any service work. If E1 fault has not cleared: # Check the continuity of the orange connection wire located on the left hand terminal of (R1815E) reactor to the “CN1” soldered wiring point on the outdoor main PCB. Note: Check the continuity of the reactor.
  • Page 16 If E1 fault has not cleared: # Check the continuity of the wire that connects to the reactor (R1502) spade terminal located to the rear of the outdoor unit, too the two terminal relay located under the main outdoor PCB. Note: Check the continuity of the reactor.
  • Page 17 #Check the outdoor LED light code configuration. During “Standby” conditions the LED’s work in this sequence: LED 1 (Yellow) is FLASHING at 1 Hz LED 5 (Red) is OFF LED 6 (Green) is ON During “Normal Operating” conditions the LED’s work in this sequence: LED 1 (Yellow) is ON LED 5 (Red) is ON LED 6 (Green) is OFF...
  • Page 18 E5 error: # Check the “condenser coil & compressor discharge sensors” for correct connection. # Check the continuity of both sensor, if the sensor is open circuit, change it. Compressor discharge temperature sensor Condenser coil pipe temperature sensor E52 error: # Check the “condenser coil air temperature sensor”...
  • Page 19 #Check the LED light code configuration. During normal operating conditions the LED’s work in this sequence: LED 1 (Yellow) is ON LED 5 (Red) is ON LED 6 (Green) is OFF During “E5” fault the LED’s work in this sequence: LED 1 (Yellow) is FLASHING at 5 Hz LED 5 (Red) is OFF LED 6 (Green) is ON.
  • Page 20 E6 error: # Check the two indoor temperature sensors for correct connection to the indoor main PCB. # Check the continuity of the sensors, if ether of the sensors are open circuit, change them. # If E6 fault code is still displayed after replacing one or both of the indoor sensor, replace the indoor main PCB.
  • Page 21 L2 & PA error: If the “PA” error appears, check the following components. # Check the condenser fan for correct operation. If the fan motor is not operating check the five pin connector for correct termination. If the termination of the plug is okay check the continuity of each voltage point.
  • Page 22 If the resistance values are okay: # Check the five soldered AC voltage points located on the main outdoor PCB. Note: The following voltage readings were measured when the unit was run in Cooling mode, with a set temperature of 17ºC. FAN-C to FAN-M = 220 Volts FAN-C to FAN-H = 200 Volts FAN-C to FAN-N = 240 Volts...
  • Page 23 P0 error: If the compressor is not operating, check the following components. # Check number “2” (Run) flag terminal, for correct termination. # Check number “3” (Start) flag terminal, for correct termination. # Check the continuity of the Black number “2” spade terminal wire connected to the compressor, to the “W”...
  • Page 24 # Measure the resistance windings of the compressor. The resistance value will range between 0.45 to 0.88 ohms at an ambient temperature range of 20 to 25ºC. Note: the resistance value should be the same value across any terminal combination. #Check the LED light code configuration.
  • Page 25 P1 error: # Check the supply voltage to the outdoor unit. Is it within 160 to 270 Volts? Note: If the voltage is below 200 Volts, this can reduce the condenser fan speed, thus reducing the unit’s efficiency. If the voltage is within its voltage limits: # Check the AC voltage from the active spade terminal to the CN4 soldered wiring point on the outdoor main PCB.
  • Page 26 P2 error: If the compressor is not operating, check the following components. # Check the three compressor flag terminals for correct termination & sequence. # Check the continuity & sequence of the three wires soldered to the main PCB (U, V & W), to the three flag terminals connected to the compressor.
  • Page 27 # Check the overload protector located next to the three compressor terminals. Note: This overload is “normally closed”. #Check the LED light code configuration. During normal operating conditions the LED’s work in this sequence: LED 1 (Yellow) is ON LED 5 (Red) is ON LED 6 (Green) is OFF During “P2”...
  • Page 28 P4 error: If the compressor is not operating, check the following components. # Check number “1” (Common) flag terminal, for correct termination. # Check the continuity of the Red number “1” spade terminal wire connected to the compressor, to the “V”...
  • Page 29 # Measure the resistance windings of the compressor. The resistance value will range between 0.45 to 0.88 ohms at an ambient temperature range of 20 to 25ºC. Note: the resistance value should be the same value across any terminal combination. #Check the LED light code configuration.
  • Page 30 Models: KSV26 & 35HRA Only P91, LO & E3 error: If the “P91 & or LO” error appears, check the following components. # Check the evaporator fan for correct operation. If the fan motor is not operating check the five pin connector for correct termination.
  • Page 31 If the resistance values are okay: # Check the five soldered AC voltage points located on the underside of the main indoor PCB. Note: The following voltage readings were measured when the unit was run in “Cooling mode, with a set temperature of 17ºC, at High fan speed.
  • Page 32 Model: KSV53HRA Only E3 error # Check the evaporator fan for correct operation. If the fan motor is not operating check the CN4 & CN25 connector plugs for correct anchoring to the indoor main PCB. CN4 connector plug point on indoor main PCB. CN25 connector plug point on indoor main PCB.

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Kelvinator ksv62hraKelvinator ksv70hra

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