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OM-CC-G and C/2-G 

24

Troubleshooting Guide

If a problem persists after taking the actions suggested below, call your authorized Groen service representative.

CODE

INDICATES

SUGGESTED ACTION

1

Low water level probe

Try cleaning steam generator to remove contamination from the probes. 
• If either code continues, call your Groen Service Agency.
• If both codes are displayed, the unit will only operate in the Oven Mode.
• If only one code is displayed, the unit will operate in all modes, but water

may overflow from the generator into the cooking chamber during
operations in either the Steam or Combo Modes.

2

High water level probe

3

Maximum generator fill
time (90 seconds) has
been exceeded.

Make sure the water supply is fully turned on and that hoses are not
kinked or pinched.
• If the code is still displayed, the unit will operate in the Oven Mode only.
• Call your Groen Service Agency

4

Faulty air probe

• The unit will operate in Steamer and Clean Cycle Modes only.
• Call your Groen Service Agency

6

Faulty generator probe

• The unit will operate in Oven Mode only.
• Call your Groen Service Agency

7

Time Between Fills

Check for a leaky fill valve.
• The unit will operate in Oven Mode only.
• Call your Groen Service Agency

8

Maximum generator drain
time (five minutes) has
been exceeded.

Inspect the drain line and remove any blockage.  Make certain that the
drain is free-vented as detailed in the Installation Section of this Manual. 
(Paragraph 5, Page 8)

Will the Unit Operate? — After a Service Code Occurs

Will Convection Combo™ operate in ________ Mode when Code _________ is displayed?

Mode

Service Code

1

2

3

4

6

7

8

1 & 2

Steam

Yes

Yes

No

Yes

No

No

No

No

Combo

Yes

Yes

No

No

No

No

No

No

Oven

Yes

Yes

Yes

No

Yes

Yes

Yes

Yes

Clean

Yes

Yes

No

Yes

No

No

No

No

Door Light:

 The door has a total of four light bulbs, two pair wired in series.  If the top or bottom two bulbs fail to

operate, replace each bulb individually to isolate the failed bulb.  If all bulbs fail to operate, check the installation of
the jumper cord between the door and the oven front panel (see Step F and photo on page 20).

Содержание C/2-20G

Страница 1: ... ANY OTHER APPLIANCE POST IN A PROMINENT LOCATION INSTRUCTIONS TO BE FOLLOWED IN THE EVENT USER SMELLS GAS THIS INFORMATION SHALL BE OBTAINED BY CONSULTING YOUR LOCAL GAS SUPPLIER AS A MINIMUM TURN OFF THE GAS AND CALL YOUR GAS COMPANY AND YOUR AUTHORIZED SERVICE AGENT EVACUATE ALL PERSONNEL FROM THE AREA WARNING IMPROPER INSTALLATION ADJUSTMENT ALTERATION SERVICE OR MAINTENANCE CAN CAUSE PROPERTY...

Страница 2: ... THE OUTSIDE OF THE OVEN DISCONNECT THE ELECTRIC POWER SUPPLY KEEP WATER AND CLEANING SOLUTIONS OUT OF CONTROLS AND ELECTRICAL COMPONENTS NEVER HOSE OR STEAM CLEAN ANY PART OF THE UNIT WARNING ALLOW COOKING CHAMBER TO COOL BEFORE CLEANING WARNING CAREFULLY READ THE WARNINGS AND FOLLOW THE DIRECTIONS ON THE LABEL OF EACH CLEANING AGENT USE SAFETY GLASSES AND RUBBER GLOVES AS RECOMMENDED BY DELIMING...

Страница 3: ...AFETY WARNINGS 2 EQUIPMENT DESCRIPTION 4 INSPECTION AND UNPACKING 5 WATER QUALITY AND TREATMENT 6 INSTALLATION 7 INITIAL START UP 11 OPERATING INSTRUCTIONS 13 CLEANING 19 MAINTENANCE 23 TROUBLESHOOTING 23 DIAGRAMS AND SCHEMATICS 25 REFERENCES 26 SERVICE LOG 27 ...

Страница 4: ...touch pads for setting cook times Below the timer section are lights which indicate the status of the unit and touch pads to select the mode of operation and to switch on power A digital readout shows the selected temperature which is entered by turning a dial Pilot burner status is shown by a light on the pilot ignition switch An insulated gas fired steam generator is mounted behind the oven Stea...

Страница 5: ...arton from the skid Pull the carton up off the unit Be careful to avoid personal injury or equipment damage from nails and sharp pieces of wood or staples which might be left in carton walls Write down the model number serial number and installation date and keep this information for future reference Space for these entries is provided at the top of the Service Log in the back of this manual CAUTI...

Страница 6: ...nd removal They are not specifically designed to work with Groen steamers and combination ovens 2 A well maintained water treatment system and a regular cartridge replacement schedule is essential 3 Using a Groen water treatment system will provide longer steam generator boiler life higher steam capacity and reduce maintenance requirements 4 If you notice a slowdown in steam production or an incre...

Страница 7: ...ional Fuel Gas Code ANSI Z223 1 latest edition including The appliance and its individual shut off valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of psig 3 45 kPa The appliance must be isolated from the gas supply by closing its individual manual shut off valve during any pressure testing of the gas supply piping ...

Страница 8: ...rain Tank See figures on page 10 A 1 inch 4 cm ID CC10 G or 2 inch 5 cm ID hose C 2 20G may be attached to the supplied drain outlet with a clamp Do not use plastic pipe because the drain must withstand very hot water WARNING DO NOT CONNECT THE OVEN DRAIN DIRECTLY TO A BUILDING DRAIN There must be a free air gap between the end of the hose and the building drain The free air gap should be as close...

Страница 9: ...OM CC G and C 2 G 9 Convection Combo Utility Connections NOTE Remove right side panel to make connections at terminal block in rear of control compartment ...

Страница 10: ...OM CC G and C 2 G 10 Proper Drain Line Connections ...

Страница 11: ...ing initial start up the pilot may require several trials in order to bleed air from the gas piping Subsequent start up should only require about five seconds to achieve ignition NOTE See Automatic Operation of Pilot at the end of this section 7 Once the pilot burner flame has been established the green light at the pilot switch is on all operator commands are executed via the front control panel ...

Страница 12: ... light is lit NOTE You cannot change modes if the timer is running WARNING WHEN YOU OPEN THE DOOR STAY AWAY FROM STEAM COMING OUT OF THE UNIT THE STEAM CAN CAUSE BURNS 11 Test Combo Mode Operation turn on the power and clear any time from the Time Status display Press the COMBO touch pad Set the COOK temperature to 350o F 175o C The WAIT light will come on It will remain on while 1 the steam gener...

Страница 13: ...CLEAR Pressing this touch pad once stops the beeper and resets the timer to the time that was last set Pressing twice clears it to 00 00 At the end of a cooking period opening the door is the same as pressing CLEAR once d START Press this touch pad to start the timer If the unit is in Steamer Mode it will also cause steaming to begin 2 Status Lights a HOT Indicates chamber temperature is more than...

Страница 14: ...OM CC G and C 2 G 14 Standard Operating Controls ...

Страница 15: ...g section b If the power is already on and there is a number in the time display window press the CLEAR touch pad one or more times to reset the time to zero NOTE You cannot change operating modes while the timer is running c The unit will be in the mode of operation in which it was last used Because of this the indicator light for that mode will be lit If the unit is not already in the Steamer Mo...

Страница 16: ...VICE light comes on when you turn on the power see the Troubleshooting section If the door is closed and the cooking temperature is above 250o F 120o C the fan will begin to operate b If the power is already on and there is a number in the Time Status display press CLEAR one or more times to reset the time to zero NOTE You cannot change operating modes while the timer is running c The unit will po...

Страница 17: ...r more times to reset the time to zero NOTE You cannot change operating modes while the timer is running c The unit will power up in the mode of operation in which it was last used Because of this the indicator light for that mode will be lit If the unit is not already in the Combo Mode press the COMBO touch pad The COMBO light will come on and if the steam generator is not already full water will...

Страница 18: ... to protect your hands from the hot pans The unit will continue steaming and heating the oven at the set temperature until the temperature control is reset or the power is shut off 4 Fast Cool a When the HOT indicator is lit and the timer is cleared the unit can be cooled quickly by opening the door and pressing START The fan will operate and the Time Status display will show the word COOL This is...

Страница 19: ...m water to clean the door gasket DO NOT use caustic oven cleaners on the door gasket as this will damage it PRECAUTIONS WARNING DISCONNECT THE POWER SUPPLY BEFORE CLEANING THE OUTSIDE OF THE UNIT KEEP WATER AND CLEANING SOLUTIONS OUT OF CONTROLS AND ELECTRICAL COMPONENTS NEVER HOSE OR STEAM CLEAN ANY PART OF THE UNIT BE CAREFUL CLEANING THE TOP FLUE COVER AND THE OVEN TOP BOTH AREAS MAY BE VERY HO...

Страница 20: ...ating Wait at least two minutes or until the steam generator starts to fill before adding an deliming solution Enter 99 into the timer The Time Status display will read CC or CL WARNING BEFORE REACHING INTO THE OVEN TO REMOVE PARTITIONS EXIT THE FAST COOL MODE BY PRESSING ANY BUTTON OR BY CLOSING AND REOPENING THE DOOR DO NOT REACH IN THE OVEN UNTIL THE FAN HAS STOPPED MOVING OVEN MAY BE HOT WEAR ...

Страница 21: ...in front of the fan Push downward to engage the four hooks to their support posts If absolutely necessary you may remove the wire rack support Left The left partition includes a back plate and an air distribution baffle Push down to engage the four hooks to their support posts If absolutely necessary you may disassemble the back plate baffle and wire rack support FOR CAVITY CLEANING ONLY GO TO STE...

Страница 22: ...ghly wash out all chemical residue by filling and draining the steam generator Enter Steam Mode and wait 60 to 90 seconds to fill enter Oven Mode take the unit out of all modes or simply turn it off to drain Wait at least three minutes before restarting the unit Also wipe chemical residues from the cooking chamber with a wet clean cloth before you cook anything Rinse the cloth often This cleaning ...

Страница 23: ... Resetting the Solid State Controls If problems persist call an authorized Groen Service Agency If the controls stop responding to normal commands or the unit is behaving oddly reset the controls using the following procedure 1 Switch off the power by pressing the ON touch pad 2 While pressing the COMBO touch pad switch the power back on If no errors are present the unit will beep and show four ze...

Страница 24: ...nd Clean Cycle Modes only Call your Groen Service Agency 6 Faulty generator probe The unit will operate in Oven Mode only Call your Groen Service Agency 7 Time Between Fills Check for a leaky fill valve The unit will operate in Oven Mode only Call your Groen Service Agency 8 Maximum generator drain time five minutes has been exceeded Inspect the drain line and remove any blockage Make certain that...

Страница 25: ...OM CC G and C 2 G 25 Diagrams Schematics ...

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