22
D.
How to check and clean water probes
There are 3 water probes (high/common/low).
Minerals in the water or various foreign materials would be hardened and this may make
water probe’s malfunction.
Requires : 14mm long box wrench or Spanner, Sand paper, Teflon tape.
Procedure:
1.
Unplug the power plug and then remove pressure completely by opening steam valve.
2.
Open the drain valve and drain out all water from boiler.
3.
Detach top cover and front cover. Then detach the all wires from water probe sensors.
4.
Disconnect water probe sensors from steam vessel by 14mm long box wrench.
5.
Clean the water probe sensor by soft sand paper. Replace it if necessary.
6.
Wind Teflon tape 6 times on the thread in order to prevent leakage.
OPTIMA XD
OPTIMA XE