Contents - service manual
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- What Is in This Chapter?
- FCQ71D
- FCQ100, 125, 140D
- FFQ25, 35, 50, 60B
- FBQ35, 50B
- FBQ60, 71B
- FBQ100, 125B
- FHQ35, 50B
- FHQ60, 71B
- FHQ100B
- FHQ125B
- FUQ71B
- FUQ100, 125B
- FAQ71B
- FAQ100B
- FDEQ71, 100B
- FDEQ125B
- specifications
- technical specifications
- Indoor Piping
- Pipe Connection Diameters
- FCQ35, 50, 60B
- FCQ71, 100, 125B
- FCQ71, 100, 125, 140D
- FBQ35, 50, 60B
- FBQ71B
- FDQ125, 200, 250B
- FHQ35, 50, 60B
- FHQ71, 100, 125B
- FUQ71, 100, 125B
- FDEQ71B
- FDEQ100B
- FCQ35, 50, 60, 71B
- FCQ100, 125B
- FCQ71, 100, 125 140D
- FBQ35, 50, 60, 71, 100, 125B
- FHQ35, 50, 60, 71, 100, 125B
- FDEQ71, 100, 125B
- FBQ35, 50, 60, 71B & FDEQ71B
- FBQ100, 125B & FDEQ100, 125B
- Simulated Operation Function
- functions of thermistors
- outdoor unit identification function
- restart standby
- automatic restart
- forced thermostat off
- freeze prevention function
- pmv control
- thermostat control
- drain pump control
- Condensation Avoidance Control
- Draft Avoidance Control 1
- Fan and Flap Operations
- Indoor Unit Fan Control
- Additional Checks for Troubleshooting
- What Is in This Chapter
- General Troubleshooting Flowchart
- Overview of General Problems
- equipment does not operate
- equipment operates but does not provide heating
- equipment discharges white mist
- equipment produces loud noise or shakes
- equipment discharges dust
- swing flap does not operate
- Procedure of Self-Diagnosis by Remote Controller
- Fault-diagnosis by Wired Remote Controller
- Troubleshooting by LED Indications on the Indoor Unit
- Troubleshooting by Remote Controller Display / LED Display
- system malfunctions
- Overview of the Indoor Safety Devices
- Malfunctioning Indoor PCB ..............................................................(A1)
- Malfunction of Drain Water Level System ........................................(A3)
- Malfunctioning Drain System .......................................................... (AF)
- Thermistor Abnormality ...................................................... (C4, C5, C9)
- Malfunctioning Remote Controller Air Thermistor ............................ (CJ)
- Malfunctioning of Moisture Sensor System..................................... (CC)
- Malfunction of Transmission between Indoor and Outdoor Unit (U4 or UF)
- Malfunction of Transmission between Indoor Unit and Remote Controller (U5)
- Malfunction of Transmission between MAIN Remote Controller and SUB Remote Controller (U8)
- Malfunctioning Field Setting Switch ................................................ (UA)
- Centralized Address Setting Error ..................................................(UC)
- Indoor Unit: Checking the Power Supply Wave Form
- Test Run Checks
- Setting the Wireless Remote Controller
- How to Change the Field Settings with the Wired Remote Controller
- Overview of the Field Settings on the Indoor Units
- Overview of the Factory Settings on the Indoor Units
- Setting the Ceiling Height
- Setting the Filter Counter
- setting the centralized group no
- The Field Setting Levels
- 3 Test Run and Operation Data
- General Operation Data
- removal of humidity sensor and air temperature thermistor
- removal of heat exchanger temperature thermistor
- removal of horizontal vane
- installation of drain pump
- replacement of heat exchanger thermistor
- replacement of heat exchanger
- replacement of pc board
- removal of electrical parts and pc boards
- removal of fan bearing
- removal of bottom panel and drain pan
- removal of fan
- removal of air flow control blade
- removal of front grille
- removal of electrical box
- removal of electrical parts box
- removal of swing louvre unit
- removal of fan rotor
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Functional concept ESIE05-042–10 Part 2 – Functional Description312451.7 Automatic RestartPurpose The purpose of the auto-restart function is to automatically resume the same operating mode as whenthe unit was operating when the power supply is restored after a power failure.Do not use the "Automatic Restart" function to daily start/stop the unit.Precautions whenturning OFF powerQ When you have to turn OFF the power supply in order to carry out maintenance, make sure to turnthe remote control's ON/OFF switch OFF firstly.Q If you turn OFF the power supply while the remote control's ON/OFF switch is still ON, the"automatic restart function" automatically starts the indoor fan immediately and the outdoor unit fanstarts automatically 3 minutes after the power supply is turned back ON.Q Do not start/stop the unit by disconnecting the power supply.Stop the unit by stop commando fromthe remote controller or optional controller before disconnecting the power supply. Be sure that thecompressor and the outdoor fans are stopped before disconnecting the power supply so the"Refrigerant Recovery function" has been finished correctly.Q When restarting the unit after the power was disconnected for a longer period leave the unit OFFwith the power supply connected for about half an hour.
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