14
BÜCHI
Distillation Unit
K-314
5 Operation
5.13 Malfunctions
Malfunction
Possible cause
Remedy
No steam production,
1. Water tank is empty
1. Fill water tank
other functions OK
2. Water pump does not suck any
2. Fill water tank
water, hoses remain empty
3. Steam generator or steam
3. Replace the defective part
valve defective
Distillate receiving solution is sucked
Drain tube with ventilation
Clean the ventilation valve
into the cooler
valve obstructed
thoroughly
Resultats too low
1. Screwed fitting between the cooler
1. Tighten the screwed fitting
and splash protection is
2. Distillation time too short
2. Extend distillation time
3. Unit not preheated
3. Preheat the unit
4. Fusion processing time too short
4. Extend fusion processing time
Sodium hydroxide not fed in
1. Tank empty
1. Fill the tank
2. The pump is not sucking
2. Check electrical connections
3. The pump is blocked
3. Clean the pump
4. The pump is faulty
4. Exchange the pump
Steam escapin from the housing
1. Hose connection leaking
1. Check hose connection
2. Steam generator leaking
2. Check steam generator
Distillate too warm
1. Main water tap closed
1. Open main water tap
2. Too little cooling water
2. Increase cooling water flow
Unit does not work
1. Mains fuse(s) defective
1. Replace the fuse(s)
Green check lamp not lit.
