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21
Jul, 2026
Monarch NICE900 Door Operator Common Faults: Er32 Speed Deviation Protectio...Fault Symptoms: Door operator's opening and closing speed becomes uncontrollable, resulting in runaway or emergency stop alarms (Er32). Remedies: Acceleration/Deceleration Optimization: The ori...
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21
Jul, 2026
Monarch NICE900 Door Operator Common Faults: Er20 Rotary Encoder FaultFault Symptoms: The door operator reports Er20 immediately upon movement; weak closing/opening, and the door running uncontrollably. First, confirm the encoder model: This driver only supports open...
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21
Jul, 2026
Monarch NICE900 Door Operator Fault: Er19 Motor Tuning Timeout FaultFault Symptom: Upon power-up, motor tuning directly reports error Er19, and the motor does not rotate. Step 1: Parameter Verification: Enter the parameter menu and verify the motor's rated curr...
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09
Jul, 2026
Mitsubishi Lingyun 3 Main Board Connector Functions – Part 2Last time, we explained the functions of the indicator LEDs on the Shanghai Mitsubishi Lingyun 3 elevator main board. Today, we'll introduce the main board connectors and their functions. Power...
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09
Jul, 2026
Mitsubishi Lingyun 3 Mainboard Indicator FunctionsToday, we'll explain the functions of the indicator LEDs on the main board of the Shanghai Mitsubishi Lingyun 3 elevator. LED 60: Run Status Indicator. It remains ON while the elevator is runni...
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23
Jun, 2026
Monarch NICE900 Door Operator Fault: Er31 – Door Opening Obstruction ProtectionSymptom: The door stops halfway during the opening process, displays error code Er31, and repeatedly stalls/stops. Comprehensive troubleshooting steps: Visual inspection of the track: Check the ope...
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23
Jun, 2026
Monarch NICE900 Door Operator Fault: Er19 Motor Tuning Timeout FaultFault Symptom: Error Er27 occurs during the door width self-learning process; the system fails to detect the door width. Comprehensive Troubleshooting Steps: Check the encoder wiring: Inspect the e...
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23
Jun, 2026
Monarch NICE900 Door Operator Fault Codes-Er19: Motor Tuning Timeout FaultSymptom: An Er19 error occurs immediately upon attempting tuning after power-up; the motor does not move. Comprehensive troubleshooting steps: Verify parameters: Access the motor parameter group an...
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18
Jun, 2026
Monarch NICE900 Door Operator Error Code Er14Today, we are discussing the Er14 fault on Monarch door operators. Er14 indicates a drive module overheat protection error; the internal temperature has become too high, triggering the unit's s...
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15
Jun, 2026
How To Adjust The Brake On A Shanghai Mitsubishi Lingyun 3 Series ElevatorToday, we'll share the brake adjustment method for the Shanghai Mitsubishi Lingyun 3 series elevators, focusing on the steps for adjusting the brake gap. First, set parameter MON1 to 0 and MON0 to ...
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12
Jun, 2026
How To Quickly Resolve The Monarch Er09 Fault?Today, let's discuss a common fault found on elevator door motor controllers: the Er09 undervoltage protection error. The symptoms are as follows: The door motor stops suddenly while operating norm...
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20
May, 2026
Rapid Diagnosis Of Monarch 02/03 Overcurrent Faults: Traction Machine Or Inve...When encountering a Monarch mainboard error 02/03 (overcurrent fault), you can quickly identify whether the issue comes from the traction machine or the inverter using this simple method: 1. Discon...

