248349 Main Control Board Schematic
248349 Main Control Board Schematic
Pin 1 Pin 1 | 248349 Main Control Board LEDs |
J5 | J6 | F1 |
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D12 D6 D13 D5 D10 |
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U4 |
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| J4 |
| Pin 1 |
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D2 |
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J2 |
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J8 |
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Pin 1 | Pin 1 | Pin 1 |
LED | Description |
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D2 | In normal operation D2 flashes on and off in 1 |
| second intervals. If D2 is off (not flashing), |
| software is not booting; check for power to |
| the board or a short circuit. |
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D5 | On: Dispense valve B is on (open). |
| Off: Dispense valve B is off (closed). |
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D6 | Active only on units with recirculation option. |
| On: Recirculation solenoid is on. |
| Off: Recirculation solenoid is off. |
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D10 | On: Dispense valve A is on (open). |
| Off: Dispense valve A is off (closed). |
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D12 | On: Remote alarm output on. |
| Off: Remote alarm output off. |
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D13 | D13 is always off. Output powers the 246899 |
| Expansion Board, turning the board on and |
| off. |
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TI11316a
246899 Pump Solenoid Expansion Board Schematic
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| D4 | ||||
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1
P4
Pin 1
J1
P3 
P2 
P1 
TI11229a
246899 Pump Solenoid Expansion Board LEDs
LED | Description |
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D1 | On: Pump B is on the downstroke. |
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D2 | On: Pump B is on the upstroke. |
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D3 | On: Pump A is on the downstroke. |
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D4 | On: Pump A is on the upstroke. |
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S
G
P
309909H | 23 |
