TurboChef Technologies High h Batch - Manual (Page 57)

39 T H E C O N T R O L S Y S T E M
Refer to the Component Plate Assembly
(Figure 45) when replacing
I/O Control Board
Power Supply
Relay
Smart Card Reader
Solid State Relay
I/O Control Board (Figure 45)
The I/O Control Board controls all aspects of oven
operation.
To replace a defective I/O Control Board:
1. Ensure “Cool Down” process is completed (“Cool
Down” message will disappear upon completion)
and unplug the oven.
2. Record the Serial Number (see page 29 for
viewing instructions).
3. Remove Right Side Panel.
4. Disconnect wiring from I/O Control Board.
5. Replace defective I/O Control Board with
P/N NGC-1008.
6. Reconnect wiring and reattach Right Side Panel.
7. Re-enter the Serial Number (see page 29).
Power Supply (Figure 45)
24 VDC Output at 40 Watts. Supplies control
voltage for I/O Control Board, Relay, and Solid
State Relay (SSR).
To replace a defective Power Supply:
1. Ensure “Cool Down” process is completed (“Cool
Down” message will disappear upon completion)
and unplug the oven.
2. Remove Right Side Panel.
3. Disconnect Wiring Harness from the defective
Power Supply.
4. Replace defective Power Supply with P/N 101206.
5. Reconnect Wiring Harness.
6. Reattach Right Side Panel.
Relay (Figure 45)
240 VAC, 30 Amp, Double Pole, Double Throw,
24 VDC Relay Coil. Actuates Rack Oscillator Motor.
To replace a defective relay:
1. Ensure “Cool Down” process is completed (“Cool
Down” message will disappear upon completion)
and unplug the oven.
2. Remove Right Side Panel.
3. Disconnect Wiring Harness from defective relay.
4. Replace defective relay with P/N 101273.
5. Reconnect Wiring Harness.
6. Reattach Right Side Panel.
Smart Card Reader (Figure 45)
Loads Recipe Menus from and writes Recipe
Menus to the Smart Card.
To replace a defective Smart Card Reader:
1. Ensure “Cool Down” process is completed (“Cool
Down” message will disappear upon completion)
and unplug the oven.
2. Remove Right Side Panel.
3. Check if connection cable is damaged. If so,
replace with P/N 103023 (not pictured) and
jump to step 5.
4. If Smart Card Reader is defective, replace with
P/N 100506.
5. Reattach Right Side Panel.