service manual.vp - eTundra
service manual.vp - eTundra
service manual.vp - eTundra
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Low Ice Making Capacity - Air Cooled<br />
Problem Likely Cause Probable Solution<br />
Long freeze cycle<br />
Long Harvest Cycle<br />
False bin full signal<br />
Dirty air filters<br />
Dirty condenser<br />
Hot ambient<br />
Water leak<br />
Water inlet valve leaks through<br />
Low on refrigerant<br />
Incorrect superheat<br />
Fan(s) cycle on and off<br />
Dirty evaporator<br />
No harvest assist<br />
Bridge thickness too big<br />
Machine in very cool ambient<br />
Ice jammed in between curtain<br />
and sump<br />
Curtain does not close correctly<br />
Clean filters<br />
Clean condenser<br />
Reduce room air temperature<br />
Check purge valve, check<br />
curtain<br />
Check inlet valve<br />
Add refrigerant, if cycle time<br />
drops, check for leak<br />
Check evaporator superheat, if<br />
significantly low or high,<br />
replace TXV<br />
Check pressures fans cycle at.<br />
Replace fan pressure switch if<br />
too low<br />
De-scale water system<br />
Check harvest assist solenoid<br />
Check and adjust bridge<br />
thickness<br />
Increase room temperature<br />
Clear ice away<br />
Check curtain for proper swing<br />
September 2006 Page 45
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