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
