Stoelting E157, Service Manual

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8.14 PRODUCT IS TOO THIN
Ambient temperature is above 100°F (37.7°C) ................. Move or direct hot air away from freezer.
Freezer is being overdrawn .............................................. Slow down the rate of draw.
Condenser is dirty ............................................................ Clean condenser.
Fan is stuck or motor is defective .................................... Check, repair or replace.
Temperature adjusting tension spring too loose ............... Adjust tension spring.
Refrigerant is low or leaking ............................................. Check refrigerant charge. Add if necessary.
Expansion valve is defective ............................................. Check, adjust or replace expansion valve.
8.15 AGITATOR DOES NOT ROTATE
Drive cap pin not engaged or cap missing ........................ Align half-holes in drive shaft and agitator tube.
Drive motor overload tripped off ........................................ Turn freezer off for 5 minutes, then reset.
Agitator stuck or frozen .................................................... Check for locked or bent fingers. Thaw product in freezer if
frozen.
No power to drive motor ................................................... Check wire harness and switches in drive circuit and repair
or replace.
Drive motor is defective .................................................... Check and replace if necessary.
8.16 NO ICE CRYSTALS ON INITIAL FREEZE DOWN
Toggle switch in OFF or STIR ONLY position ................... Place toggle switch in the stirring & freezing position.
Reset switch is in the cut-out (down) position .................. Place reset switch in normal operating position.
Blown fuse in building or no input power to freezer ........... Check for blown fuse or input power to freezer.
Broken wire, loose connection or defective switch ........... Check and test, repair or replace as necessary.
Mix too rich ...................................................................... Take "Brix" reading. Fill with properly mixed product.
Fan not running ................................................................ Check fan and replace if necessary.
Restricted air flow to freezer ............................................ Louvered side panel required 6" (15.2 cm) clearance for air
intake and top requires 10" (25.4 cm) clearance for
discharge.
Dirty condenser filter ........................................................ Clean filter.
Dirty condenser ............................................................... Clean condenser.
Tension spring on torque control not set correctly ............ Spring length should be 3-1/16" - 3-1/8" long, 3-5/8" for
the F257. Adjust if necessary.
Micro switch on torque control defective .......................... Check and replace micro switch.
Shortage of refrigerant ...................................................... Fix leak and add refrigerant.
24 Hour Timer not set for compressor operation .............. Reset timer.
8.17 EXCESSIVE ICE CRYSTALS ABOVE DIVIDER PLATE
Sealer ring not installed or installed incorrectly ................ Install sealer ring correctly.
Frozen product being poured into cylinder .......................
Do Not pour frozen product into cylinder.
Lean mix ........................................................................ Drain mix. Refill with properly mixed product.
8.18 SPIGOT LEAKING OR STUCK
Spigot "O" rings defective or missing ............................... Drain mix to below spigot level. Remove spigot, clean,
replace o-rings as needed, lubricate and install.
Dried mix in spigot assembly ........................................... Drain mix to below spigot level. Remove spigot retainer and
spigot. Disassemble/clean with hot water and brush. Lubri-
cate, reassemble and install. Fill with liquid mix.