IV–80L21 Gas Type Setting Failurec Error detection methodA Gas Type Setting Failure is assumed on the first occurrence of a mismatch between the gas type setting on theoutdoor main board and the fuel change switch setting.However, a mismatch is not detected after the gas type is confirmed.* The factory default gas type setting and fuel change switch setting are both “13A.” Note: To use E-gradepropane as the fuel gas (G-gas compatible model), the fuel flow control value and gas type need to be set.● Setting the fuel regulating valve* Leave the power breaker to the outdoor unit OFF.1. Set the P/N switch lever attached to the engine mixer tothe position shown in the illustration.Rotate it 180-degrees clockwise (up until the stopper.)Donot apply excessive force to rotate it further than this.2. Attach the short-circuit connector supplied to the N/Pswitch CN013 on the outdoor unit’s control board.* Switch the outdoor unit’s power breaker to ON.3. Attach the label and adjustment completed> label inside the electrical box tothe prescribed PL NAME position.d Troubleshooting1GastypesettingFuel changeswitch1-1Does the gas type setting match the supplied gas typeclassification?Control board menu 10 (initial settings) gas type settingYes 1-2No Change settings1-2Disconnect outdoor main board connector 3P (red) CN013connector and measure conduction of the N/P changeconfirmation switch.(Measure between 3P red No.1 and No.3).Gas type 0 : ConductionGas type 1-5 : No conductionYes Replace outdoor mainboardNo 1-31-3Disconnect N/P change confirmation switch relay connector2P-13 (white), and measure conduction of the switch.(Measure between 2P white No.1 and No.2).Gas type 0 : ConductionGas type 1-5 : No conductionYes 1-4No Replace N/P changeconfirmation switch1-4Correct the wiring between the outdoor main board connector 3P (red) CN013 and N/Pchange confirmation switch.Gas type 0 : Broken wire or poor connection/contactGas type 1-5 : Short-circuit or pinched wire● For work procedure for replacing outdoor main board, see “5. Reference Document”.Propane Lever
