Daikin FCQ18PVJU Service Manual

Also see for SkyAir FAQ18PVJU: Service manual Engineering data Engineeiring data Service manual Operation manual

Contents

Daikin FCQ18PVJU Service Manual Manual pdf 3 page image

SiUS28-902_aTable of Contents ii3.6 Stopping Operation ................................................................................ 273.7 Pressure Equalization Prior to Startup ................................................... 284. Protection Control .................................................................................294.1 High Pressure Protection Control .......................................................... 294.2 Low Pressure Protection Control ........................................................... 304.3 Discharge Pipe Protection Control ......................................................... 314.4 Inverter Protection Control ..................................................................... 325. Other Control ........................................................................................335.1 Heating Operation Prohibition ................................................................ 336. Outline of Control (Indoor Unit) .............................................................346.1 Drain Pump Control ............................................................................... 346.2 Louver Control for Preventing Ceiling Dirt ............................................. 366.3 Operation Range of Remote Controller Temperature Sensor................ 376.4 Freeze Prevention.................................................................................. 396.5 View of Operations of Swing Flaps ........................................................ 40Part 6 Test Operation ................................................................. 411. Test Operation ......................................................................................421.1 Procedure and Outline ........................................................................... 421.2 Operation when Power is Turned On..................................................... 452. Outdoor Unit P.C.B. Layout ..................................................................463. Field Setting ..........................................................................................473.1 Field Setting from Remote Controller..................................................... 473.2 Field Setting from Outdoor Unit ............................................................. 553.3 Detail of Setting Mode............................................................................ 60Part 7 Troubleshooting............................................................... 651. Symptom-based Troubleshooting .........................................................672. Troubleshooting by Remote Controller .................................................702.1 The INSPECTION / TEST Button .......................................................... 702.2 Self-diagnosis by Wired Remote Controller ........................................... 712.3 Self-diagnosis by Wireless Remote Controller....................................... 722.4 Operation of the Remote Controller’s Inspection /Test Operation Button ............................................................................ 752.5 Remote Controller Service Mode ........................................................... 762.6 Remote Controller Self-Diagnosis Function ........................................... 783. Troubleshooting by Indication on the Remote Controller ......................853.1 “A0” Indoor Unit: Error of External Protection Device ............................. 853.2 “A1” Indoor Unit: P.C.B. Defect............................................................... 863.3 “A3” Indoor Unit: Malfunction of Drain Level Control System (S1L)........ 873.4 “A6” Indoor Unit: Fan Motor (M1F) Lock, Overload ................................ 893.5 “A7” Indoor Unit: Malfunction of Swing Flap Motor (M1S) ...................... 903.6 “A9” Indoor Unit: Malfunction of Moving Part ofElectronic Expansion Valve (Y1E) ......................................................... 923.7 “AF” Indoor Unit: Drain Level above Limit ............................................... 943.8 “AJ” Indoor Unit: Malfunction of Capacity Determination Device ............ 95