Mash Bath
I N D U S T R I A L E Q U I P M E N T & C O N T R O L P T Y . L T D .
6 1 - 6 5 M c C l u r e S t . T h o r n b u r y . 3 0 7 1 M e l b o u r n e . A u s t r a l i a
T e l : 6 1 ( 0 ) 3 9 4 9 7 2 5 5 5 F a x : 6 1 ( 0 ) 3 9 4 9 7 2 1 6 6
E m a i l : i e c @ i e c p l . c o m . a u
M A S H B - 2 0 1 9 0 3 1 4 . d o c 1 4 - M a r - 1 9
2 8
FAULT FINDING ASSISTANCE:
Power will not go on.
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Master switch on side of cover not turned ON.
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Switch on the control unit not switched ON.
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Circuit breakers under main cover off or tripped.
•
No power to machine.
Bath will not fill OR will not finish filling:
•
Enter the DIAG2 display (see previous pages) and check if the output for bath filling
solenoid valve is on (O=off, I=on). If ON but solenoid valve is not open at the rear
of the machine, check the ‘Bath Fill” 2 amp output fuse inside the control unit.
•
If output is OFF, the program is holding the solenoid valve OFF.
•
Upper level switch in main tank possibly stuck in high level position thus advising the
program that the bath is full. Be sure there are no foreign bodies jamming floats.
•
Level switch faulty. Check DIAG1 display to check input status. For bath to be
filling, upper level switch status should be ON (input at ‘I’). Move upper float and
see input status change. When float is in UP position, input should show ‘O’. When
DOWN input should show ‘I’.
•
If the overflow pipe in the bath is set too low, or if the upper switch is set too high,
incoming water will flow over the overflow pipe and bath can never fill. Check that
overflow pipe is approx. 5mm higher than the upper float switch switching point.
•
Check water supply isolation valve not closed. Incoming water strainer not clogged.
•
Mains water supply pressure is present at the machine.
Bath not draining, or draining slowly or will not drain completely empty:
•
Remember that some programs do not drain the tank at end of the program cycle.
Check program status in INFO1 display.
•
Tank will not drain in standby unless Drain button pressed when the CNTRL display
is viewed.
•
Large drain solenoid valve not operating or fuse blown. See section above for
checking inputs and outputs in the DIAG displays.
•
Level switch faulty. Check inputs in DIAG1 display to check input status. When
float UP, input should show ‘I’. When down input should show ‘O’. This is the
opposite to the upper switch.
•
Drain hose from machine kinked or blocked.
•
Drain hole strainer mesh clogged inside tank
