Carrier 38MARBQ12AA3 User Manual

SG-38MARB-01 Specifications subject to change without notice. 59
4 - Way Valve Check
1. Power on, use a digital tester to measure the voltage; when the unit operates in the COOLING mode, the voltage is 0V. If the voltage value is not
in range, the PCB is faulty and needs to be replaced.
Fig. 46 — Measure the voltage
2. Turn off the power, use a digital tester to measure the resistance. The value should be 1.8~2.5 K
Fig. 47 — Use a digital tester to measure resistance

Carrier 38MARBQ12AA3 Specifications

General

Brand	Carrier
Model	38MARBQ12AA3
Category	Heat Pump
Language	English