Convotherm OEB Series Service Handbook page 161

Service Handbook OEB/OES/OGB/OGS
Instructions –Replacing the water level probe:

Place the new or cleaned water level probe 2 with a new seal 7 in the opening
of the steam generator 3.

Using an adjustable wrench (10 mm) simultaneously screw in the 3 hexagon
nuts 4 on the holding pins.

Connect B1 – bl-Pin to the probe with the connecting clamps with the blue
wire (see also stamping on the probe).

Connect B1 – rd-Pin to the probe with the connecting clamps with the red wire
(see also stamping on the probe).
Check:
After replacing the water level probe, the correct control function and the sealing
tightness of the probe must be checked.

Empty the water from the steam generator, by switching on the steam
generator draining pump in the Service programme at Service point d14
„Testing the pump DE". See Service Handbook instructions „6.4 Steam
generator drain pump – Instructions: 1. Steam generator draining". Empty the
steam generator to such a level that the pin of the water level probe no longer
has contact to water.

Change to the Service programme r20 / r21. While the steam generator is
filling, check both these Service points for the correct control functioning of the
water level probe.
See Service Instruction „3.1

After steam generator is filled, start the Programme „Steaming", wait until the
steam is injected into the oven and check the water level probe for sealed
tightness.
AS/11-2011
Customer service - Service programme".
6_06e_Water Level probe_b
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