Remedy: Use Sim. 4-2 and Sim. 4-3 to check the operation of the upper limit sensor and the lift-up operation, and check the wiring. After making the countermeasure for the trouble section, use Sim. 15 to cancel the trouble.
Code: U7-50
Description: Serial vendor communication trouble. Communication error between the ICU and the serial vendor Section ICU
Causes: Cable disconnection or breakage.
Remedy: Check connection between the ICU and the serial vendor, and turn OFF /ON the power of the machine and the vendor.
Code: U7-51
Description: Serial vendor operation trouble. Serial vendor breakdown
Causes: Serial vendor breakdown3
Remedy: "Err.XX" (XX: Section code) is displayed on the vendor operation panel. The error generating condition and the cancel method differ depending on the detail code. Refer to the operation manual of the vendor.
Code: U9-00
Description: Communication trouble between the controller and the operation. Communication establishment error / Framing / Parity / Protocol error
Causes: Slave unit PWB connector connection trouble. Harness trouble between the slave unit PWB and the ICU PWB. Connector pin breakage of the mother board of the slave unit PWB.
Remedy: Check connection of the connector and the harness between the slave unit PWB and the ICU PWB. Check the earth wire of the machine.
Code: UC-02
Description: CPT-ASIC abnormality. Access error to the CPT-ASIC (The ASIC does not operate normally)
Causes: B to B connector connection abnormality. SCU PWB abnormality. CPT-ASIC abnormality.
Remedy: Check the B to B connector. Replace the SCU PWB, or replace the option PWB.