Applicable Systems
ThyssenKrupp Control System
Symptoms
EEPROM read/write error detected - code 21 00
Possible Causes
- EEPROM chip failure
- data corruption from electrical interference
- write cycle exhaustion
Troubleshooting Steps
- Step 1: Check EEPROM chip
Verify the fault is resolved after completing this step. - Step 2: re-program parameters
Verify the fault is resolved after completing this step. - Step 3: replace EEPROM if faulty
Verify the fault is resolved after completing this step.
How to Reset
Power cycle; re-program EEPROM
Source: beijiaxin.cn; zhihu.com/p/577262471; renrendoc MC2-C manual
Category: Elevator