To Next PageTo Next PageWhat to do if Mitsubishi Electric RMF-CA100-V1 unit does not operate?
If your Mitsubishi Electric Recording Equipment unit isn't operating (heat, cool, or fan mode), first, make sure all thermostat wire connections are correctly connected. Then, check for 24VAC between the C terminal at RMF-CA100 to the corresponding input/mode.
Why is my Mitsubishi Electric RMF-CA100-V1 not heating correctly?
If your Mitsubishi Electric Recording Equipment isn't operating correctly in heating mode, verify that the W1 and/or W1/W2 value is set to ‘1’ on the thermo input menu on the RMF-CA100 interface. Also, check that the TH1 (return air thermistor) value is not above or below the highest or lowest set-point available to the applicable unit. For M&P-Series only, ensure mode setting 25 is set to 1 and mode setting 24 is set to 2. For City Multi only, verify the indoor controller board dipswitch SW3-8 is ON. Finally, check for insulation and air-leaks in ductwork design (conditioned/unconditioned spaces).
Why is my Mitsubishi Electric RMF-CA100-V1 not cooling correctly?
If your Mitsubishi Electric Recording Equipment isn't operating correctly in cooling mode, verify that the Y1 and/or Y1/Y2 value is ‘1’ on the thermo input menu on the RMF-CA100 interface. Check that the TH1/return air temperature value is above/below the highest/lowest set-point available to the applicable unit. For M&P-Series only, check if mode setting 27 is set to 1. Also, check for insulation and air-leaks in ductwork design (conditioned/unconditioned spaces).
How to fix a blank LED screen on Mitsubishi Electric RMF-CA100-V1 RMF-CA100?
If the LED screen on your Mitsubishi Electric Recording Equipment RMF-CA100 is blank, check the CN105 connector and cable between the RMF-CA100 and the indoor controller board. Additionally, verify the power supply to the indoor unit.
General| Brand | Mitsubishi Electric |
|---|---|
| Model | RMF-CA100-V1 |
| Category | Recording Equipment |
| Language | English |
Explains two-stage and single-stage operation configurations using dipswitches and pin layouts.
Details initial settings via dipswitches and access to the circuit board.
Lists primary menu categories: Error History, Mode Settings, Fan Speed, Test, Time, Thermo Input, FW Version.
Displays saved error codes with time/date, allowing navigation between up to 10 errors.
Allows configuration of mode settings and G-fan speed submenu for 28 modes.
Troubleshooting steps for issues with the unit not operating in any mode.
Steps to diagnose and resolve issues when the unit operates incorrectly in cooling mode.
Steps to diagnose and resolve issues when the unit operates incorrectly in heating mode.
Lists communication, thermistor, indoor unit, and outdoor unit error codes specific to M and P series.
