Error code

Mitsubishi Electric PQHY/PQRY code 4260

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Meaning

Heatsink overheat protection at startup: The heatsink temperature (THHS) remains at or above TOH minutes or more at inverter startup. Model TOH PQHY 105°C [221°F] PQRY 100°C [212°F]

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(4) Troubleshooting Principal Parts for

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