195
Error Codes
Due to our policy of continuous product innovation, some specifications may change without notification.
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Error No. 151, continued.
ERROR CODES
Please refer to the Safety Precautions on pages 4-7 for more detail to prevent injury or death regarding the operation and service
troubleshooting of the Multi V product.
WARNING
• 3RZHULVVXSSOLHGWRWKHRXWGRRUXQLWVDVIROORZV6ODYHĺ6ODYHĺ0DVWHU
• Outdoor unit information is displayed in sequence at the main PCB SSD. See tables at below for code definitions.
Checking the Pressure Imbalance for a Three Outdoor Unit System (Master + Slave 1 + Slave 2)
1. Close all the service valves to the high pressure and low pressure piping.
2. Operate system.
3. View the difference between the high pressure and low pressure with LGMV for each outdoor unit (Master, Slave 1, Slave 2).
4. If there is an outdoor unit in which the difference between high pressure and low pressure did not increase, then the four-way valve of that
outdoor unit is defective and must be replaced.
Sequence Description Code(s)
1 Master Outdoor Unit Nominal Capacity 8 - 14*
2 Slave1 Outdoor Unit Nominal Capacity 8 - 24*
3 Slave2 Outdoor Unit Nominal Capacity 8 - ~*
4 Total Nominal Capacity of System 8 - ~ *
5 Unit Type
Heat Pump 2
Heat Recovery 3
6 Unit Voltage
208-230V / 60Hz / 3Ø 22
460V / 60Hz / 3Ø 46
7 Efficiency Level 1 or 2
Table 87: 'LVSOD\&RGH'H¿QLWLRQV²2XWGRRU8QLW1RPLQDO&DSDFLW\
Outdoor Unit Code 22 46
Electrical Requirements 208-230V / 60Hz / 3Ø 460V / 60Hz / 3Ø
Display
Code
8 101214182022242628323436384042
Nominal
Mb/h
6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36
Table 88: 'LVSOD\&RGH'H¿QLWLRQV²9ROWDJH
Table 89: 6HJPHQW'LVSOD\6HTXHQFH7ZR>@VHFRQGVSHUVHJPHQWIROORZLQJDIRUW\¿YH>@VHFRQGZDLW
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