Functions To Be Implemented Locally; Troubleshooting - Toshiba RAV-GE6001A8P-T Installation Manual

14

Functions to be implemented locally

Handling existing pipe
When using the existing pipe, carefully check for the following:
Wall thickness (within the specified range)
Scratches and dents
Water, oil, dirt, or dust in the pipe
Flare looseness and leakage from welds
Deterioration of copper pipe and heat insulator
Cautions for using existing pipe
Do not reuse a flare nut to prevent gas leaks.
Replace it with the supplied flare nut and then process it to a flare.
Blow nitrogen gas or use an appropriate means to keep the inside of the pipe clean. If discolored oil or much
residue is discharged, wash the pipe.
Check welds, if any, on the pipe for gas leaks.
When the pipe corresponds to any of the following, do not use it. Install a new pipe instead.
The pipe has been opened (disconnected from indoor unit or outdoor unit) for a long period.
The pipe has been connected to an outdoor unit that does not use refrigerant R22, R410A or R407C.
The existing pipe must have a wall thickness equal to or larger than the following thicknesses.
Reference outside
Wall thickness (mm)
diameter (mm)
Ø9.5 0.8
Ø19.1
1.0
Do not use any pipe with a wall thickness less than these thicknesses due to insufficient pressure capacity.
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15

Troubleshooting

You can perform fault diagnosis of the outdoor unit with the LEDs on the P.C board of the outdoor unit in addition to
using the check codes displayed on the wired remote controller of the indoor unit.
Use the LEDs and check codes for various checks. Details of the check codes displayed on the wired remote
controller of the indoor unit are described in the Installation Manual of the indoor unit.
LED displays and check codes
No. Error
1 Normal
2 Discharge temperature sensor (TD) error
Heat exchanger temperature sensor (TE) error
3
4 Outside air temperature sensor (TO) error
Suction temperature sensor (TS) error
5
6 Heat sink temperature sensor (TH) error
Mis-mounting of temperature sensor (TE, TS)
7
EEPROM error
8
9 Compressor breakdown
Compressor lock
10
11 Current detection circuit error
Thermostat for compressor activated
12
13 Model data not set
14 MCU-MCU commumication error
Discharge temperature error
15
16 High pressure SW error
Power supply voltage error
17
18 Heat sink overheating error
19 Gas leak detected
High pressure protective operation
20
21 DC outdoor Fan motor error (Upper side)
DC outdoor Fan motor error (Lower side)
22
23 Compressor drive device shot circuit
Position detection circuit error
24
25 Compressor IPDU or other (not specially identified)
26 Power supply error
: ON, : OFF, : rapid fl ashing (5 times/sec.)
* The LEDs are located at the top right of the P.C.
board of the outdoor unit as shown in the fi gure
below.
–18 –
Display
D800 D801 D802 D803 D804 D805
Electric parts cover
Push on arrow head
and slide.
Inspection window through which to
check the LED displays
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