Thermador PRG48, PRG30, PRG36, PDR30, PDR36, PDR48 manual Error, Cause, Corrective Action, F153, F155

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Error	Cause		Corrective Action
F153	Control calibration values not in	1.	(If possible, re-calibrate.)
	range.	2.	Check power and Display Board connectors P1B and associated
			wiring.
	Bad Power Board or Display	4.	If OK, replace Power Board.
	Board.	5.	If fault persists, replace Display Board.
F155	Checksum match error.	1.	If possible, re-write default data to the Display Board eeprom
	Wrong eeprom data on Display		via P7.
		2.	If not, replace Display Board.
	Board.

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