TCL TCA-18HRA/DVO - Page 90

DC Inverter Air
Communication terminal block of indoor/outdoor units
4— Outdoor power supply filter board;
5— Fan capacitor;
6— Electrolytic capacitor
7— Reactor
2) Compressor Driver of Outdoor Unit, Fault and Protection
1 2
8
7
6
5
4
3
1— Communication between compressor driver and main control panel
2— LED indicator light (LED601(Red)), Flash(ON for 1s, OFF for1s): Driver runs normally,
Flash (ON for 0.5s, OFF for 0.5s, Flash for N times and OFF for 3.25s; this is a cycle): Module fault
3—DC+ OUT Externally connect the reactor
4—R / S / T 3‐Phase power supply input
5—DC‐ OUT
Externally connect the capacitor negative electrode
6—DC‐ IN
Externally connect the capacitor negative electrode
7—U / V / W Compressor drive output
8—DC+ IN
Externally connect the capacitor positive electrode
List of Shutdown Fault Indications
Fault Code
Fault Contents
1
IPM Over‐current (Peak Value)
2
Compressor drive failure protection
3
Compressor over‐current (Peak Value)
5
Compressor phase current sampling fault
6
PIM over‐temperature shutdown
8
DC bus over‐voltage
9
DC bus under‐voltage
14
PIM temperature sensor fault
15
DSP and MCU Communication fault
16
Communication fault with main control panel
Note: the “number” in fault code refers to the flashing times of LEDD, etc.
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