代码 xPL: Inverter module temperature protection

Manual restart required: No Display: Displayed on the unit with the error Note: 'x' is a placeholder for the compressor system — 1 = compressor system A, 2 = compressor system B (e.g. 1PL / 2PL). Description: 1PL indicates inverter module A temperature protection. 2PL indicates inverter module B temperature protection. All units stop running. Error code is only displayed on the unit with the error. Trigger condition: For PL protection: Inverter module heat sink temperature (TF1/2) ≥ 80 o C. For C7 protection: PL protection appears three times in 100 minutes. Recover condition: Inverter module heat sink temperature (TF1/2) < 65 o C Reset method: For PL protection: Resume automatically. For C7 protection: Manually restart. Possible causes: - Blocked, dirty or loose heat sink. - Temperature sensor not connected properly or has malfunctioned. - Main PCB damaged.