PROBLEM Probable causes Solution
Steam escapes from 1.The energy from the range 1.Raise the energy.
open-preventing valve doesn’t is not enough. 2.Add more water.
rise up. Pressure inside the 2.Water inside the cooker is 3.Clean the open-
cooker not enough. preventing valve.
doesn’t rise. 3.Dirt blocks the on open- 4.Clean the sealing ring,
preventing valve. the cooker mouth and the
4.Sealing ring is dirty. cooker lid.
5.Cooker lid doesn’t fix 5.Fix the lid properly.
properly with the cooker.
Steam comes out from the 1. Sealing ring is dirty. 1.Clean the sealing ring,
underside 2.Sealing ring is aged. cooker mouth and lid.
of the lid. 2.Change the sealing ring.
The pressure inside the cooker 1.The pressure inside the 1.Lower the pressure inside the
is high, and the open-preventing cooker is above that to open cooker to let the open-preventing
valve doesn’t return to its normal the cooker lid. valve going down.
position. 2. Open-preventing valve is 2.Press down the open-
not clean. preventing valve, open the lid,
then clean the open-preventing
valve.
Steam still leaks after the open- 1. The open-preventing valve is 1.Clean the open-
preventing valve rises. not clean. preventing valve.
2.O-ring is aged or broken. 2.Change the O-ring.
Lid cannot be fixed properly. 1.The clasps of lid are not open. 1.Open the clasps of the lid.
2.The shape of the lid has 2.Change the lid.
changed badly.
Steam and liquid leak from 1.The safety function of the 1.Take the cooker away from the
the open- open-preventing valve is fire and dredge the release hole.
preventing valve. working. The release hole After it is cool, take down the
of pressure-limiting valve is stuck-preventing cap and clean
blocked. both the cap and pressure-
1.The pressure-limiting valve is limiting valve.
aged and has lost its function. 2.Change the open-preventing
valve.
When cooking, the sealing 1.The safety function of the 1.Take the cooker away from
ring is suddenly pressed sealing ring is working. the fire after it is cool, clean
out together with steam from the Maybe other device has lost and check all the safety devices.
safety valve window. its function. Change the ones which have lost
2.The sealing ring is aged and its functions.
has lost its function. 2.Change the sealing ring.
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