Trouble shooting 1 E12.1
INDOOR UNIT Error Method:
Wired Remote Controller
Communication Error
Indicate or Display:
Indoor Unit : Operation LED 1 times Flash, Timer LED 2 Times Flash,
Filter LED Continuous Flash. < 1 2 >
Outdoor Unit : E.5 U.1
Error Code : 1 2
Detective Actuators:
Indoor unit controller PCB circuit
Wired Remote Control (3 wire / 2 Wire type)
Detective details:
Upon receiving the signal more than 1 time from Wired Remote or other Indoor
unit, but the same signal has not been received more than 1 minute (3 Wire
type). 2.5 minute (2 Wire type)
Check Point 2 : Check Remote and Controller PCB
Check terminal voltage of
controller
PCB Connector CNC01. (Power supply for Remote)
If DC12V, Remote Control failure (C
ontroller
PCB is OK) >>> Replace Remote controller
If DC0V, Controller PCB failure (Remote is OK) >>> Replace Controller PCB
-
In case of re-installation is done due to removed connector or incorrect
wiring, turn on the power again.
Check Point 1 : Check the connection of terminal
After turning off the power, check & correct the followings.
Indoor Unit - Check the connection of terminal between remote control and Indoor unit, or between Indoor units, and
check if there is a disconnection or short of the cable.
OK
DC
Forecast of Cause :
1. Terminal connection abnormal 2. Wired Remote Control failure 3. Controller PCB failure
04-10
4-2-9 TROUBLE SHOOTING WITH ERROR CODE
Summary of Contents for Airstage UTP-RU01AH
Page 1: ...SERVICE MANUAL 208 230V 60Hz ...
Page 5: ...1 TEST RUN ...
Page 6: ......
Page 34: ...2 OUTDOOR UNIT OPERATION CONTROL ...
Page 59: ...3 INDOOR UNIT OPERATION ...
Page 60: ......
Page 82: ......
Page 83: ...4 TROUBLE SHOOTING ...
Page 84: ......
Page 186: ...04 96 0 24 AOUA120 208 230 AOUA72 90 0 19 RED WHITE BLACK U V W ...
Page 208: ...5 APPENDING DATA UNIT ...
Page 209: ......
Page 215: ...CASSETTE TYPE MODELS AUUB18TLAV AUUB24TLAV AUUB30TLAV AUUB36TLAV 05 06 ...
Page 217: ...MEDIUM STATIC PRESSURE DUCT TYPE MODEL ARUM24TLAV 05 08 MODEL ARUM30TLAV ARUM36TLAV ...
Page 218: ...HIGH STATIC PRESSURE DUCT TYPE MODELS ARUH36TLAV ARUH48TLAV ARUH60TLAV 05 09 ...
Page 219: ...FLOOR CEILING TYPE MODELS ABUA12TLAV ABUA14TLAV ABUA18TLAV ABUA24TLAV 05 10 ...
Page 220: ...CEILING TYPE MODELS ABUA30TLAV ABUA36TLAV INDOOR UNITS INDOOR UNITS 05 11 ...
Page 221: ...WALL MOUNTED TYPE MODELS ASUA7TLAV ASUA9TLAV ASUA12TLAV ASUA14TLAV 05 12 ...
Page 222: ...MODELS ASUB18TLAV ASUB24TLAV 05 13 ...
Page 224: ...MODEL UTP RU01AH MODEL UTP RU01BH 5 2 3 RB Unit 05 15 ...
Page 225: ...MODEL UTP RU01CH 05 16 ...
Page 226: ...MODEL UTP RU04BH 05 17 ...
Page 227: ...MODELS AAUA48TLAV 5 2 4 Outdoor Air Unit 05 18 MODELS AAUA72TLAV ...
Page 228: ...MODELS AAUA96TLAV 05 19 ...
Page 230: ...6 DISASSEMBLY PROCESS ...
Page 245: ......