Thermador PDR30, PRG48 Thermador, Corrective Action, Water valve, relay board, should be none

Thermador®

Error codes for Gaggenau Steam Oven model ED-220/221…continued

Error Code Cause Example Corrective Action

F72

F73

F74

Base pan sensor	Defective electronics	Replace relay board
Main water valve not	Check incoming water	Water valve, relay board
closing properly	pressure (must be
	minimum 16 PSI) check
Pressure switch stays	power to valve pressure	Indicates pressure in system when there
	switch stuck closed or
closed		should be none.
	main valve stuck open.

Note 1
Note 2	The food probe in this oven is a PTC 1000 sensor. It is not
	unpluggable and is tested the same as in Note 1
Note 3	The oven has a very comprehensive diagnostic program.
	Instruction are located in the Gaggenau 2000 Service Manual.
Note 4	The program is kept in the display head on this oven. If the
	display is replaced, the parameters must be programmed into the
	new board. Specific instruction are listed in the Gaggenau 2000
	Service Manual

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