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Summary of Contents for Smach EFE 4000
- Page 1 SOFT-SERVE AND FROZEN YOGHURT FREEZER SERVICE MANUAL MODEL: EFE 4000 17.05.2012 Manual Number: V...
- Page 2 TABLE OF CONTENTS 1) Expansion Valve Adjustment 2) Refrigeration System Schematic 3) Control Functions 4) Air Adjustment 5) Electrical System 6) Troubleshooting (General, Inverter) 7) Inverter Control by a Laptop 8) Bacteria Troubleshooting 9) Exploded Views...
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Page 3: Expansion Valve Adjustment
1. EXPANSION VALVE ADJUSTMENT Adjust the pressure higher or lower by turning the expansion valve adjustment screw. Clockwise turns will raise the pressure and counterclockwise will lower the pressure.Bear in mind that In this model 360° turning is enough. 2. REFRIGIRATION SYSTEM SCHEMATIC... -
Page 4: Control Functions
3. CONTROL FUNCTIONS Stop Machine operates keeping the temperature of the mix in the tankaround 4C. Therefore compressor runs at this mode if the temperature is not mentioned above. Wash Machine operates cooling the mix in the tank and beater turns to blend the mix in the cylinder. Beater runs just because to take the mix out of the cylinder in a short time. -
Page 5: Air Adjustment
4. AIR ADJUSTMENT The AERATION TUBE has two parts ― OUTER and INNER The OUTER has a large hole TOP and BOTTOM (These are constant) The INNER tube has 3 different size holes TOP and BOTTOM The INNER is turned inside the OUTER to select SMALL, MEDIUM or LARGE TOP LARGE INNER TOP MEDIUM INNER TOP SMALL INNER... -
Page 6: Electrical System
5. ELECTRICAL SYSTEM... -
Page 8: Troubleshooting
6.TROUBLESHOOTING 6.1. General Troubleshooting Problem CAUSE Solution Burnt Fuse Check&Replace. Machine does not run Machine Unplugged Check&Plug the Machine Set the selector one of the soft-medium-hard Selector mode is wrong modes Compressor starts then stops Air Not circulating Clereances should be 50 cm. after few seconds without Air circulation restricted Clereances should be 50 cm. -
Page 9: Inverter Troubleshooting
6.2.Inverter Troubleshooting *Description of Terminals Troubleshooting inverter Description of Terminals of Troubleshooting Inverter Descriptions of main circuit terminals SYMBOL Description R\L1(L) S\L2 Main power input Single-phase: L/N T / L3 ( N ) Braking resistor or connecting terminal: Used in cases where the inverter frequently disconnects due to large load inertia or short deceleration time (refer to specifications of braking resistor) 220V:1HP... - Page 10 (vector mode) OVSP 3.Change stator Resistance gain operating 3. The gain is too big during and Rotator resistance gain vector mode operating (14-0/14-1), suggest that 4. The Current detect circuit decrease 50~100, until 0 fault 4. Send back to SMACH.
- Page 11 Errors which can be recovered manually Error Cause Remendy Display 1. Detecti on ci rcui t 1.Check the noi s e between Power Over-current duri ng mal functi ons l i ne a nd motor l i ne s top 2.
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Page 12: Special Conditions
*Special Condition Special conditions Error DESCRIPTION Display STP0 Zero s peed s top Ha ppened when pres et frequency <0.1Hz 1. If the i nverter i s s et a s external termi na l control mode (1-00=1) a nd di rect s ta rt i s di s a bl ed (2-04=0001), the i nverter ca nnot be s ta rted STP1 Fai l to s tart di rectl y... - Page 13 *Operation Errors Operation errors Error Cause Remendy Display Pa ra meter a nd 1.Attempt to modi fy frequency frequency 1.Set 3-17=0000 /pa ra meter whil e 3-17>0000 revers e a l rea dy 2. Set 1-02=0000 2.Attempt to revers e whil e 1-02=0001 locked 1.The _ or_ i s a va i la bl e 1.Pres s _ or _whi l e 1-06>0 or...
- Page 14 *General Troubleshooting of Inverter General troubleshooting Status Checking point Remedy • Is the power a ppl ied? • Turn the power OFF a nd then ON a ga i n. Is power a ppl i ed to L1(L), L2, a nd L3(N) •...
- Page 15 *Quick Troubleshooting of Inverter...
- Page 16 InverterFault...
- Page 18 Inverterfault...
- Page 19 7. INVERTER CONTROL BY A LAPTOP Inverter settings can be changed by the program named and to connect to inverter over a laptop SYNPLUS RS232 cable is needed. Then follow the instructions to change settings.
- Page 24 8.BACTERIA TROUBLESHOOTING BACTERIA TROUBLESHOOTING In food industry cleaning and sanitizing are very important in terms of human health. Lack of them results in high In food industry cleaning and sanitizing are very important in terms of human health. Lack of them results in high In food industry cleaning and sanitizing are very important in terms of human health.
- Page 26 Moreover, the ice-cream mix in the hopper must be kept around 4C. This is the best temperature for the cream mix in the hopper must be kept around 4C. This is the best temperature for the cream mix in the hopper must be kept around 4C. This is the best temperature for the bacteria count the least.
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Page 27: Exploded Views
9.EXPLODED VIEWS...
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