Specifications
Table Of Contents
- Cover
- Table of Contents
- Part 1 General Information
- Part 2 Specifications
- Part 3 Refrigerant Circuit
- Part 4 Function
- Part 5 Test Operation
- Part 6 Troubleshooting
- Part 7 Appendix
- 1. Piping Diagrams
- 2. Wiring Diagrams for Reference
- 3. List of Electrical and Functional Parts
- 4. Option List
- 5. Piping Installation Point
- 6. Example of connection (R-410A Type)
- 7. Thermistor Resistance / Temperature Characteristics
- 8. Pressure Sensor
- 9. Method of Checking the Inverter’s Power Transistors and Diode Modules
- Part 8 Precautions for New Refrigerant (R-410A)
- Index
- Drawings & Flow Charts
Si34-704 Troubleshooting by Indication on the Remote Controller
Troubleshooting 289
Troubleshooting
Is the
voltage between
the terminals F1 (+)
and F2 (-) in the range of
15.2 to 17.6
VDC?
Replace the central
equipment.
Central equipment: Normal
Normal
Normal
Correct the wiring.
Abnormal
Check the
transmission
wiring between central
equipment for any broken
wire. For details, refer to
information in the
A
Has the
master unit central
setting connector been
connected?
NO
Correct the wiring.
Abnormal
Correct the connection of the
connector.
NO
YES
YES
Check the
transmission
wiring with the
master unit central
equipment for any broken
wire. For details, refer to
information in the
Disconnect the transmission
wiring of the master unit
central equipment, and then
check the voltage between the
transmission terminals (F1 and
F2) of the master unit
transmission equipment using
a multiple meter.
It is supposed that the
malfunction results from
external factors (e.g. noises)
from other equipment.
Check 7 .
∗1
Check 7 .
∗1
Check 7
: Referring to the information on page 309.
∗1