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June 2025 Problem Compressor2 overheat (make loud noise)
Pump overheat and leak
Result Trigger Alert notice, not able to continue stages. Machine stop after 20 hours Lost all produce not dried |
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June Fix (Lanphan suggestion) Adding R134 to Compressor1 Clean radiator Add external fan to blow air
Problem Compressor2 overheat (make loud noise)
Pump overheat and leak
Fix
Pause stages at 20hr, without remove produce
Result Produce not fully good, we finish by air-dried |
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July Fix Jump controller, bypass alert if overheat Vacuum & Recharge Compressor1
Problem Compressor1 (temp -15c) (normally -29c)
Compressor2 do not start Start Compressor2 manually (change setting -15c)
Problem Compressor1 (PSI “10”, and on running “30”) Compressor1 (screen +20c) (tank +30c) Compressor2 overheat (tank +60c) Pump overheat and leak (pump +60c)
Result Possible air when recharge Produce not fully good, we finish by air-dried
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August Fix Vacuum & Recharge Compressor1 (without air in) Add leak Dye (not found leak on Compressor1)
Problem Found dye on the bottom of cage dont know how Compressor1 (screen +20c) (tank +30c) Coldtrap average (-50c) (normally -64c)
Add R134 while running Add stage +4hrs 35c
Problem Compressor1 (temp +10c) (normally -10c) Coldtrap lowest -60c (go up to -45c last stage) Pump pressure (100-7 PA)
Result Ice in chamber start melt while process Produce did re-hydrate to moist Produce all lost
Fix Technician test chamber, found leak with detector’ No leak from other part
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Sept Fix
Techinican Vacuum & Recharge Compressor1
Problem Compressor1 (temp -5c) (normally -29c) Compressor1 (PSI-R134: “60” while running) Compressor1 (tank temp +73c) Coldtrap lowest -45c
Compressor2 (Setting start at -10c) Add stage 4hrs +35c
Problem Compressor1 (temp +10c) (normally -10c) Compressor1 (PSI-R134: “60” while running) Compressor1 (tank temp +73c) Compressor2 (tank temp +26c) Coldtrap lowest -45c Pump 7Pa
Result
Ice in the chamber melting in warming stage |
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