Garland MCO-GD-10M - Manual

6 A thermocouple type test instrument is preferred for measuring oven temperatures accurately. Mercury thermometers are acceptable providing they can be proven accurate. Regardless of the type instrument used, it is most desirable to double-check it just before making an oven temperature check. This...

8 ELECTRONIC CONTROLS - “E” Sequence of Operation (W ith the Oven Doors Closed) 1. Line Voltage is supplied to the Mode Switch, Door Switch and the Momentary Light Switch. 2. Set Mode Switch to COOK and close the oven doors. Line Voltage is sent from Mode Switch to power up the Controller and to the...

9 ELECTRONIC CONTROL FAILURE CODES The GARLAND digital control has a self-diagnostic program. If a problem occurs within the digital controller, you may see one of the "F" codes. Below is a listing of the "F" codes with explanations: -F1- Relay output is enabled when not cooking. If ...

10 The controller needs voltage to operate and is capable of operating on three (3) different line voltages, 115 Vac, 208 Vac, 240 Vac. On the back of the Robertshaw COM6000 there are several ¼” male spade terminal or pin connections. The below is a drawing of the rear of a Robertshaw COM6000 Contro...

13 The safety lockout timer circuit starts timing the moment the trial for pilot ignition starts. W hen the timing period runs out, the trial for ignition ends, and the control module goes into lockout. Before another attempt to start can be made, the S86 must be reset. Reset by adjusting the thermo...

16 APPEARANCE CAUSE SMALL BLUE FLAME Check for lack of gas from: • Clogged orifice filter • Clogged pilot filter • Low gas supply pressure • Pilot adjustment at minimum LAZY YELLOW FLAME Check for lack of air from: • Large orifice • Dirty lint screen, if used • Dirty primary air opening, if there is...

17 This section will give you the best way to access component for replacement. COMPONENT LOCATIONS: Top Front Center Door Chain Door Catch Right Front Control Panel 24v Transformer, Ignition module Redundant gas valve Lower Front Door Micro-Switch Data Plate, Burner Package Inside Oven Oven Convect...

18 2. Locate stainless steel door gasket, mounted to oven front frame. 3. Remove the #10 Phillips sheet metal screw that attach the retainer to the oven's front frame. 4. Remove stainless steel door gasket. 5. Replace stainless steel door gasket and to reverse above procedure to re-install. FILE NAM...

19 2. Remove door chain assembly (NOTE: The “A” model does not come equipped with door chain). 3. Remove flat head metal screw 1/4”-20x1/2” from bearing retainer. 4. Push the door toward hinge and lift up. NOTE: Bottom bearing retainer will stay in place. 5. Remove the right door in the same manner....

20 1 2 3 4 7 5 7 8 6 NOTICE: DEPENDENT DOOR SHOWN 7 To disassemble left door: 1. Once the door has been removed from the oven (refer to instructions on the previous page), remove the 12 truss head 10 x ½ Phillips screws . 2. Remove 2 allen head cap screws from the door handle . 3. Carefully pry off ...

22 To Replace or Adjust Door Latch Mechanism 1. Open oven doors. 2. Remove 2 pan head Phillips screws. 3. Lift door latch mechanism up and out of door assembly. 4. To adjust latch mechanism , loosen lock nut & and adjust by tightening or loosening adjustment nut. To Replace Convection Oven Motor...

23 Assembly FILE NAME JIT00012 7 6 2 1 3 8 5 4 5 9 1. Assemble motor mount plate, * insulation, motor mount plate inner together by fastening four flat head m.s. 1/4-20x2½" into the four holes noted on the above drawings. 2. Secure each flat head m.s. 1/4-20x2½" with a flat washer and three ...

24 Main Burner, Pilot Burner Removal & Door Micro Switch Location 1 2 3 4 To access the Burners, Pilot or Door Switch - remove the lower combustion chamber, (not show). This exposes these components, also you will note that the rating or data plate is on the inside of the combustion shroud. For ...