Daikin ERQ Service Manual page 258

Malfunction of System, Refrigerant System Address
Undefined ......................................................217
Malfunction of Thermistor (R1T) for Suction Air ...177
Malfunction of Thermistor (R2T) for Heat
Exchanger .....................................................174
Malfunction of Thermistor (R3T) for Gas Pipes ....175
Malfunction of Thermistor (R3T, R5T) for Suction
Pipe 1, 2 ........................................................194
Malfunction of Thermistor (R4T) ..........................197
Malfunction of Thermistor (R6T) ..........................195
Malfunction of Thermistor (R7T) for Outdoor Unit
Liquid Pipe ....................................................196
Malfunction of Thermistor for Discharge Air .........178
Malfunction of Thermostat Sensor in Remote
Controller ......................................................180
Malfunction of Transmission between AHUs and
Outdoor Units ................................................212
Malfunction of Transmission between Inverter and
Control PC Board ..........................................205
Malfunction of Transmission between Remote
Controller and AHU .......................................214
Method of Replacing The Inverter's Power Transistors
and Diode Modules .......................................235
N
Normal Operation ...................................................23
O
Oil Return Operation ..............................................27
Operation Lamp Blinks .........................................218
Operation Mode .....................................................22
Operation when Power is Turned On .....................90
Option List ............................................................231
Outdoor Unit PC Board Layout ..............................91
Outdoor Unit Thermistors for Discharge Pipe ......233
P
P1 .........................................................................206
PC Board Defect ..........................................166, 181
Power Supply Insufficient or Instantaneous
Failure ...........................................................209
Precautions for New Refrigerant (R-410A) ..........238
Pressure Sensor ..................................................234
Protection Control ..................................................33
Pump-down Residual Operation ............................30
R
Refrigerant Circuit ..................................................16
Refrigerant Cylinders ...........................................240
Refrigerant Overcharged ......................................191
Restart Standby .....................................................31
S
Service Tools .......................................................241
Setting by Dip Switches .......................................100
Setting by pushbutton switches ............................101
Setting of Low Noise Operation and Demand
Operation ......................................................111
Special Control .......................................................26
Specifications ...........................................................8
Startup Control .......................................................26
ii
Stopping Operation ............................................... 32
Symptom-based Troubleshooting ....................... 151
System is not Set yet .......................................... 216
T
Test Operation
Procedure and Outline .................................... 84
Thermistor Resistance / Temperature
Characteristics ............................................. 232
Thermostat Sensor in Remote Controller .............. 38
U
U0 ........................................................................ 207
U2 ........................................................................ 209
U3 ........................................................................ 211
U4 ........................................................................ 212
U5 ........................................................................ 214
UA ....................................................................... 215
UF ....................................................................... 216
UH ....................................................................... 217
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ESIE09-05
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