Airwell BS 12 DCI Manuel de service Page 89
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12-1
TROUBLESHOOTING
SM YAZDCI 1-A.1 GB
12. TROUBLESHOOTING
WARNING!!!
When Power Up – the whole outdoor unit controller, including the wiring, is under
HIGH VOLTAGE!!!
Never open the Outdoor unit before turning off the Power!!!
When turned off, the system is still charged (400V)!!!
It takes about 1 Min. to discharge the system.
Touching the controller before discharging may cause an electrical shock!!!
For safe handling of the controller please refer to section 12.5 below.
12.1 General System Failures and Corrective Actions
No SYMPTOM PROBABLE CAUSE CORRECTIVE ACTION
1.
Indoor unit power supply indicator
(Red LED) does not light up.
No power supply
Check power supply. If OK,
check display and display
wiring. if OK, replace controller
2.
Indoor unit does not respond to remote
control message
Remote control message
not reached the indoor unit
Check remote control batteries,
if OK, check display and display
wiring, if OK, replace display
PCB. If still not OK replace
controller
3.
Indoor unit responds to remote control
message but Operate indicator (Green
LED) does not light up
Problem with display PCB
Replace display PCB.
If still not OK replace controller
4.
Indoor fan does not start (louvers are
opened and Green LED is ON)
Unit in heat mode and coil
is still not warm
Change to cool mode
Outdoor unit is in opposite
mode
Change operation mode
Problem with controller or
capacitor
Change to high speed and
Check power supply to motor is
higher than 130VAC (for triack
controlled motor) or higher than
220VAC for fixed speed motors,
if OK replace capacitor, if not
OK replace controller
5.
Indoor fan works when unit is OFF,
and indoor fan speed is not changed
by remote control command.
Controller problem Replace controller
6. Water leakage from indoor unit
Indoor unit drainage tube is
blocked
Check and open drainage tube
7.
One indoor unit or more are
operating in cool mode with no
capacity, and the other units have
water leaks/freezing problems
The communication
wires of the indoor units
are switched
Check and correct the
communication wires
connection
8.
One indoor or more are operating
in heat mode with a limited
capacity, and the coil on the other
units are very hot.
- Indoor Units Outdoor Units 1
- JANUARY – 2010 1
- REFRIGERANT 1
- R410A HEAT PUMP 1
- LIST OF EFFECTIVE PAGES 2
- Table of Contents 3
- 1. INTRODUCTION 4
- INTRODUCTION 5
- 1.6 Indoor Unit combinations 6
- 2. PRODUCT DATA SHEET 7
- 2.3 Indoor Units Data 9
- PRODUCT DATA SHEET 10
- SM YAZDCI 1-A.1 GB 10
- 3. RATING CONDITIONS 19
- 4. OUTLINE DIMENSIONS 20
- OUTLINE DIMENSIONS 21
- 4.7 Indoor Unit: DLS018 DCI 23
- 4.11 Indoor Unit: HAD009 DCI 25
- 5. PERFORMANCE DATA 27
- PERFORMANCE DATA 28
- 5.1.2 Heating 28
- PERFORMANCE DATA 29
- 5.2.1 Cooling 29
- 5.2.2 Heating 30
- 5.8 CK018 DCI 41
- 5.9.1 Cooling 43
- 5.9.2 Heating 43
- 15.11 Calculation Example 44
- 6. PRESSURE CURVES 45
- (WNG25+25+25 ; 5m each) 46
- Heating Ps 47
- Heating Pd 47
- PRESSURE CURVES 48
- 6.2 Model: YAZ4 30 DCI 49
- 6.3 Calculation Example 53
- 7. ELECTRICAL DATA 54
- 9. REFRIGERATION DIAGRAMS 56
- 10. TUBING CONNECTIONS 57
- ¼” ⅜”½”⅝”¾” 57
- 11. CONTROL SYSTEM 58
- 11.2 Product Overview 59
- 11.3 General Operating Rules 60
- 111. CONTROL SYSTEM 61
- CONTROL SYSTEM 62
- 11.4 Indoor Unit Control 63
- ICTST ICTVL ICTL ICTH ICTT 64
- 11.5 Run Mode 67
- COOL 50 to 480 0 70
- HEAT 50 to 480 50 to 120 70
- Down 2 100 84 3300 2750 73
- Down 1 95 80 3200 2600 73
- Stop rise 90 76 3150 2450 73
- Normal 90 72 3050 2300 73
- 11.6 Installation Test Mode 75
- Term Possible reasons 78
- 11.7 Technician Test Mode 80
- 11.8 User Interface 81
- 11.8.3 Main Menu 82
- 11.9 Jumper settings 85
- 11.10 System Parameters 85
- Fix RPM Motor 88
- 12. TROUBLESHOOTING 89
- TROUBLESHOOTING 90
- 12.3 Diagnostics 91
- 12.3.3 DMSMP diagnostics 94
- No Fault Name 54321 95
- 12.5.2 Charged Capacitors 98
- APPENDIX A 103
Produits connexes et manuels pour Climatiseurs à système divisé Airwell BS 12 DCI
(98 pages)
(64 pages)
(6 pages)
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