I need instructions for my Kambrook pressure cooker and how to clean the lid and pressure valves

A pressure cooker is NOT anything close to a slow cooker. The cooking philosophy are practically totally opposites. A pressure cooker basically cooks your food in a fraction of time because it is under pressure. A slow cooker takes hours.

The whole idea of using a pressure cooker is that it is sealed and applies pressure to cook the food faster. The lid needs to be sealed for the pressure cooker to operate properly. It is frequently referred to as "infusion" cooking now days.

You need to read the instruction book that came with the pressure cooker. Pressure cookers usually cook for less than an hour--my homemade pressure cooker spaghetti sauce is cooked in less than 30 minutes. They are nice and were very popular long before anyone thought of microwaves and slow cookers. However, there are some precautions to be taken. There must be water or liquid in a pressure cooker. The rubber seal needs to be cleaned frequently and, when the rubber seal warps/stretches and no longer seals, it needs to be replaced. There are also certain foods that CANNOT be cooked in a pressure cooker like rice, dry beans, etc. The pressure control valve operates to regulate the amount of pressure and releases extra pressure otherwise the unit would blow up (very dangerous!). Most pressure cookers (required on all new ones) have a small rubber emergency stopper that will "blow off" in case the pressure is too high. I've seen this happen and my mother cleaning potatoes & meat from the ceiling!

go google and type in -- user manual for mirro pressure cooker model m-0536-1-- and if there is one it will be a pdf version down load
make sure that the lid seal went in without any twists
put something under the seal and go around the lid several time to allow the seal to untwist

All pressure cookers should have a release valve. Be sure that is clean and allows a free flow of steam when the weight is not on it. Test it with just water in the pot. Heat the water until its just about to boil (with the lid off) then close and lock down the lid. Steam should start to come out of the release valve. If not .. clean it again.

If you need further help, I’m available over the phone at https://www.6ya.com/expert/steven_7f54ab9063554f66

The company had a major recall and went out of business. No manuals appear to be available on the web.
Here are some general instructions you can use:

1 Set up your cooker. Place your Ultrex Pressure Cooker on the stove. Remove the lid and pour in no more than 2 inches of water. Depending on what you are cooking the amount of water will vary. More water will ultimately cook larger amounts of food, but you will need to refer to your specific model's instructions on this matter.

2 Put in the food you wish to cook. Close and lock the lid firm to the pot. Make sure it is locked securely so none of contents boil out of the top.

3 Turn on your burner to high heat for approximately ten minutes. Allow the water to boil.

4 Turn the stove down to a low setting after the water is boiling in the cooker. Flip the pressure valve closed and allow your food to simmer.

Set the pressure valve to ten pounds. For vegetables, cook 30 to 45 minutes. For meats, cook 45 to 60 minutes.5

6 Open the pressure valve and allow the pressure to discharge. Unlock and remove the lid to find your fully cooked meal.

The problem is a Signal Switch Malfunction. It has to do with the power switch and the pressure switch from what I have been able to find out. Mine doesn't have a pressure problem it just goes to E4 once you set the time. I gave the switch a good smack and it has been working for a while. This is the second time and this worked both times now. I am sure the switch will have to be replaced at some time. From what I have seen this is a very common problem. There is one way to fix this problem, albeit not the best. I was able to bypass the E4 error by completely bypassing the electronics and wiring the heater coil to get power whenever the pressure cooker is plugged in. It was a very simple job, anyone with any electrical experience can do this. The only problem is that it is a safety concern as there is no way for the heater to turn off even if pressure is getting to be way too high. There may be a pressure relief valve in the lid but the heater coil won't shut off, so don't leave it unattended! But at least this way to you can still pressure cook. Pics of process: http://s909.photobucket.com/albums/ac295/danwat1234/fixing%20the%20pressure%20cooker/

they can set you up with what you need herehttp://www.epinions.com/t-safety-valve-for-pedrini-pressure-cooker?sb=1

Russel Hobbs makes both a slow cooker and a pressure cooker - confusingly in Europe they call Slow Cookers pressure cookers. The only way to really tel is if there is a special lid with valves and locks (pressure cooker) not a glass or plain lid (slow cooker).

Your gasket is no good and needs to be repaired. The water is supposed to be pressurized as high heat steam and when pressure is excessive the valve does its thing to lower to acceptable levels.

I think E2 means open circuit in thermocouple in center of bottom. E4 means no contact on pressure sensing switch at edge of bottom. Mine had E4 error. Took out switch and used fine sandpaper to clean contact points. Now it works fine.
Remove 3 screws in bottom. Remove bottom cover by turning it ~1/4" to clear tabs. Remove switch at edge of bottom with two blue wires going to it. Clean contacts and replace.

Removed the 3 screws on the bottom. There is a relay near the circuit board. Kind of looks like an old morse code relay. Just tapped out "E 4" in morse code. Plugged it in and it works fine.