7-6
122997-341 Operator Manual Troubleshooting
6. Display shows:
SUMP RTD FAILURE
... and printer prints:
ALARM HH:MM:SS
SUMP
RTD FAILURE
1. Faulty RTD sensor in chamber sump – clean as necessary.
2. If situation reoccurs, call Service.*
7. Display shows:
SUMP
FAILED TO REACH TEMP
... and printer prints:
ALARM HH:MM:SS
SUMP
FAILED TO REACH TEMP
1. Steam supply valve not fully open – open building and washer
supply valves.
2. Temperature set too high – decrease programmed temperature
setpoint.
3. Poor electrical connection between sump RTD sensor and control
– inspect connections and tighten if necessary.
4. Damper opened too wide – partially close damper.
5. Low dynamic steam pressure – provide steam at pressure speci-
fied on equipment drawing.
6. Faulty RTD sensor in chamber sump – clean as necessary.
7. If situation reoccurs, call Service.*
8. Display shows:
ALK. TANK
TOO LONG IN FILL
... and printer prints:
ALARM HH:MM:SS
ALK. TANK
TOO LONG IN FILL
1. Hot water supply valve closed – open building and washer supply
valves.
2. Manual drain valve open – close valve.
3. Water level float ball malfunctions – verify operation of ball float.
Clean as necessary.
4. Building water supply pressure too low – increase supply pres-
sure.
5. If situation reoccurs, call Service.*
9. Display shows:
ALK. TANK
RTD FAILURE
and printer prints:
ALARM HH:MM:SS
ALK. TANK RTD FAILURE
1. Faulty RTD sensor in detergent tank – clean as necessary.
2. If situation reoccurs, call Service.*
* Service Charges may be incurred. Consult your warranty for details.
Table 7-2. Operator Troubleshooting Chart - Alarm and/or Printout (Cont’d)
PROBLEM POSSIBLE CAUSE AND/OR CORRECTION
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