๎
๎
39๎
๎
Problem๎ Possible๎Cause๎ Possible๎Solution๎
Ice๎Blade๎is๎frozen๎inโplace๎
1. Motor๎Overload๎setting๎is๎too๎high.๎ 1. Adjust๎the๎Motor๎Overload๎setting๎at๎the๎Control๎Module๎(CM).๎
2. Ice๎is๎freezing๎too๎thick๎or๎too๎hard.๎ 2. Adjust๎refrigeration๎to๎Ice๎Flaker.๎
3. Drive๎Motor๎has๎stopped.๎ 3. See๎โDrive๎Motor๎will๎not๎startโ๎above.๎
4. Flex๎Coupling๎is๎broken.๎ 4. Check๎and๎replace๎Flex๎Coupling๎as๎necessary.๎
Ice๎Flaker๎not๎meeting๎rated๎
capacity๎
Run๎Field๎Capacity๎Check๎before๎making๎any๎adjustments๎(see๎p.20).๎
1. Incorrect๎Evaporator๎Temperature.๎ 1. Adjust๎refrigeration๎to๎Ice๎Flaker.๎
2. Supply๎water๎temperature๎is๎outside๎
mandatory๎range.๎
2. Adjust๎supply๎water๎to๎between๎45ยฐF๎and๎90ยฐF.๎๎For๎temperatures๎below๎range,๎
contact๎Howe๎about๎Low๎Temperature๎Mixing๎Valve.๎
3. Ambient๎temperature๎is๎outside๎mandatory๎
range.๎
3. Adjust๎ambient๎temperature๎to๎between๎50ยฐF๎and๎100ยฐF.๎๎In๎unable๎to๎adjust,๎
relocate๎the๎Ice๎Flaker.๎๎For๎temperatures๎below๎range,๎contact๎Howe๎about๎Low๎
Ambient๎Kit.๎
Ice๎freezes๎together๎
in๎the๎Ice๎Bin๎
1. Water๎Distribution๎Pan๎is๎overflowing.๎ 1. Adjust๎Water๎Regulating๎Valve๎so๎the๎Water๎Distribution๎Pan๎is๎halfway๎full.๎
2. Water๎from๎Side๎Spouts๎or๎Lead๎Spout๎is๎
not๎reaching๎freezing๎surface๎of๎
Evaporator.๎
2. Clean๎spouts๎of๎any๎debris๎or๎blockages.๎๎Make๎sure๎all๎spouts๎are๎perpendicular๎to๎
and๎within๎reasonable๎distance๎from๎surface๎of๎Evaporator.๎
3. Water๎is๎โrampingโ๎off๎rings๎of๎ice๎formed๎
on๎Evaporator.๎
3. Adjust๎refrigeration๎to๎the๎Ice๎Flaker.๎
4. Ice๎Bin๎is๎not๎draining๎properly.๎ 4. Check๎that๎all๎drains๎are๎flowing๎freely๎and๎pitched๎away๎from๎Ice๎Bin.๎
5. Ice๎turnover๎is๎low๎and๎Ice๎Bin๎inventory๎
has๎become๎stale๎and๎clumped๎by๎lengthy๎
storage๎time.๎๎๎
5. Use๎or๎discard๎ice๎within๎a๎reasonable๎time๎of๎producing๎it.๎๎Contact๎Howe๎about๎
Energy๎Saver๎Ice๎Production๎Management๎System.๎
Condensing๎Unit๎is๎in๎๎
Low๎Suction๎Pressure๎Pump๎Down๎
1. Lack๎of๎refrigerant.๎ 1. Check๎for๎leaks๎and๎repair.๎๎Add๎refrigerant.๎
2. Insufficient๎water๎supply.๎ 2. Replace๎Water๎Filter.๎๎Check๎for๎clogged๎tubes๎or๎valves.๎
3. Refrigeration๎line๎blockage.๎ 3. Check๎filter๎drier,๎TXV,๎EPR๎and๎replace๎as๎necessary.๎
Condensing๎Unit๎is๎off๎on๎
Low๎Oil๎Pressure๎Failure๎
1. Lack๎of๎refrigerant.๎ 1. Check๎for๎leaks๎and๎repair.๎๎Add๎refrigerant.๎
2. Refrigerant๎flood๎back.๎ 2. Adjust๎refrigeration๎to๎Ice๎Flaker.๎
3. Improper๎piping๎or๎traps.๎ 3. Correct๎piping.๎
Condensing๎Unit๎is๎off๎on๎
High๎Discharge๎Pressure๎Failure๎
1. Nonโcondensables๎in๎the๎system.๎ 1. Remove๎the๎nonโcondensables.๎
2. System๎is๎overcharged๎with๎refrigerant.๎ 2. Remove๎excess๎refrigerant.๎
3. Fan๎is๎not๎running.๎ 3. Check๎Fan๎Cycling๎Control๎and๎adjust๎as๎necessary.๎
๎๎ ๎
๎
๎๎
To Next Page
Loading...
