197
Error Codes
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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
Error No. 187
Error No. Description Details Causes
187
Master: 1871
Slave 1: 1872
Slave 2: 1873
Hydro kit P, HEX
error (P equals
prevents from
freezing).
Hydro kit error.
1. Inlet water temperature is <5°C (41°F). Raise error code – Level 3
response.
2. Water outlet temperature sensor is disconnected or shorted. Values
UHDGOHVVWKDQ&RUJUHDWHUWKDQ&OHVVWKDQ)RU
JUHDWHUWKDQ)
3. Prevents HEX from bursting (from freezing) when operating. Does
not protect HEX if the glycol is inadequate, nor if the hydro kit is off
and not operating.
4. Outdoor unit compressor ramps up, and hydro kit operates. One
(1) minute later, pipe temperature at mid-temperature hot water
supply (inlet or outlet water) is <0°C (32°F), and mid-temperature
KRWZDWHUVXSSO\LQOHWRURXWOHWZDWHULV&)IRUWHQ
seconds.
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