On Hold signal is "LOW" the wash program is NOT put On
Hold.
When the On Hold signal is "HIGH" the wash program is put On
Hold.
In normal operation the On Hold Signal of the Liquid Supply
Central Dispensing System must not stay high for more than 1
hour, as otherwise the machine will not finish the running wash
cycle anymore.
Diagnosing Failure 80
1. Check if the Central Soap
Dispensing System operates
correctly.
Repair Liquid Supply Central
Dispensing System in case of
failure.
2. Check if the wiring of the
input signal "On Hold" is not
damaged.
If the wiring is damaged: re-
pair the wiring.
Table 86
continues...
Diagnosing Failure 80
3. Check the wash computer.
(Inputs can be checked one
by one in the Service menu)
If the input of the wash com-
puter is not functional, replace
the wash computer.
Table 86
Failure 85: RTC Low Battery
Failure 85 occurs when there is no battery available at the real
time clock, or if the power of the battery is too small to make the
real time clock run correctly.
Diagnosing Failure 85
Replace the CPU board.
Failure 95: Watch Dog
If the watch dog has been activated, message 95 is logged in the
Error log register. If this occurs often, ask the help of a techni-
cian.
Failure 300-353: Mitsubishi Inverter Alarm
Message
Always make sure you have the correct inverter parameter set-
tings in the inverter, especially when you have replaced an inver-
ter. If you are not sure go to the Configuration menu and select
"Inverter Menu…". Set the correct machine type, supply voltage,
load the parameters from the wash computer to the inverter once
more. If the correct parameters are not in the inverter, many in-
verter alarms may occur. For further information, refer to original
inverter manual (available on request).
Failure Message Overview
Error
Number
Failure
Failure Name
Explanation
300
Err OC1
Overcurrent
Refer to
Failure 300-301-302: OC Errors (OVERCURRENT)
301
Err OC2
Overcurrent
302
Err OC3
Overcurrent
303
Err OV1
Overcurrent
Refer to
Failure 303-304-305: OV Errors (OVERVOLTAGE)
.
304
Err OV2
Overcurrent
305
Err OV3
Overcurrent
306
Err THT
Inverter overload
Refer to
Failure 306: THT-Error (INVERTER OVERLOAD)
.
307
Err THM
Motor overload
Refer to
Failure 307: THM-Error (MOTOR OVERLOAD)
308
Err FAN
Fan stopped
Repair the cooling fan. Clean or replace if necessary.
Table 87
continues...
Troubleshooting
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Part No. D1631ENR7
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