Sharp MXM350N
- Code: E7-90
- Description: Communication trouble (ICU detection) between ICU and PCU
Communication establishment error/ Fleming/Parity/Protocol error - Causes: Defective connection of slave unit PWB connector Defective harness between slave unit PWB and ICU PWB Slave unit PWB mother board connector pin breakage
- Remedy: Check connector and harness of slave unit PWB and ICU PWB. Check grounding of machine.
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