1.11.2 MIB (Manual Interface Board) Troubleshooting
Problem |
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| Corrective Action |
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| A. | Filter pan out of position. | A. Ensure filter pan is fully inserted into fryer. | ||||||
| If the MIB board displays a “P” the pan is | ||||||||
| B. | Oil level too low. | |||||||
| not fully engaged into the pan switch. | ||||||||
| C. | Ensure MIB board is not in | |||||||
| B. Ensure the oil level is above the top oil | ||||||||
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| manual mode. | |||||||
| D. | level sensor. |
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| Ensure MIB cover is not |
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| C. Ensure MIB board is in “A” automatic | ||||||||
Auto filtration won’t |
| damaged and pressing against | |||||||
| mode. |
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| buttons. |
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start. | E. | D. Remove and replace cover and see if | |||||||
Filter relay has failed. | |||||||||
| filtration will start. |
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| F. | AIF disable is set to YES, blue |
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| E. Replace filter relay with part number 807- | ||||||||
| G. | light doesn’t light. | 4482 24VDC relay. |
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| Filter motor thermal switch is |
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| F. Set AIF disable in Level 1 to NO. |
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| tripped. |
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| H. | G. Press filter motor thermal switch. |
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| AIF clock enabled |
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| H. Ensure AIF clock is set to disabled. |
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MIB display shows | An error has occurred and | See MIB display diagnostics on page | |||||||
something other than | displayed character indicates | ||||||||
explanation. |
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an “A” or vat number. | error. |
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No power present at | Transformer has failed in left | Check output on the | left transformer | in left | |||||
component box; should read 24VAC. | If not | ||||||||
the MIB board | component box. | ||||||||
replace transformer. |
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| Press and hold reset button in top right corner | ||||||
MIB will not clear |
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| of MIB board for five seconds. The drain, | ||||||
Error remains in | return and manual/auto LEDS will illuminate | ||||||||
error. | memory. | and the MIB will reset and clear any remaining | |||||||
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| errors from memory. Allow 60 seconds to reset. | ||||||
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| If an error still exists, then another issue exists. | ||||||
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| A. Ensure the CAN bus system is terminated at | ||||||
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| BOTH ENDS (on the M3000 connector J6 | ||||||
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| and on the ATO board connector J9) with a | ||||||
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| resistor equipped |
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| B. Unplug and reseat all wiring harnesses in | ||||||
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| CAN system. Resistance between pins 2 | ||||||
| A. | Network is not terminated | and 3 on the CAN network | connectors | |||||
| should be 120 ohms. |
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MIB indicates |
| correctly. |
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| C. Check software version numbers on all | ||||||||
B. Wiring harnesses are loose or | |||||||||
incorrect number of |
| damaged. | M3000 computers and ensure all are display | ||||||
vats. |
| an AIF | version. | If an | AIF | version is | |||
C. An AIF board issue. | |||||||||
| D. | Locator pin issue. | missing, | the AIF | board | may | be | missing | |
| power or bad. Check pins 5 and on J4 and | ||||||||
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| J5 of the affected AIF board for proper | ||||||
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| voltage. |
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| D. The locator pin in J2 of the AIF board is | ||||||
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| either loose or in the incorrect position. See | ||||||
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| the charts on page | ||||||
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| proper pin position. |
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