hi friends i have a problem with this chiller. This week its been very hot about 30c ambient temperature.got a call out to see why wasnt working.got site and found c1 fans not comming on and c2 empty of gas.the fan inverter wasnt sending any power to fans its a altiver 21.so by pass it and ran fans direct and it ran for 2.5 hours good. Brought temp from 36c to 14.8c and then the pressure unit its armstrong went out on fault and shut the chiller down on bms.refilled the pressure unit got pressure upto.0.9b and restart the chiller. It ran for 20 minutes and it went off again on pressure unit.found the bladder empty of pressure so pumped air into the bladder and fill it up with water again. But still shows fault on bms and chiller wont run. The chiller has it own electronic flow switch and customer has sontay pressure switches. The water flow is 2bar in and 1.5 bar out of evaporater.the chiller shows on service display is unit on. Enabled c1. Comps waiting flo. Switch on. Hp off lp on. Im stuck on what to do next.how to get it going or how to by pass bms. any help will be great ful