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High pressure unit disabled on unit - Robinair Cool Tech 34700Z Recovery, Recycling, Recharging

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Hasan Khan Amran

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If your machine is one of the bellow Model:- Robinair 34700Z / 347002K & 347112K series. just do the following, with POWER SWITCH OFF: - 1# Open front panel cover and verify the ISV tank is not overfilled. If full, carefully remove refrigerant manually from ISV tank by pressing tank valve. 2# verify if there is high pressure in the ISV tank. Purge excess air from the tank manually. (Open air purge hose from the ISV tank, then carefully press tank valve as needed to blow out excess pressure from the ISV tank)
After doing all above stapes and your problem still exist then replace air purge solenoid (Air purge solenoid located near the ISV tank and fixed with automatic air purge device). Hope this will solve your problem, if so please vote for it for farther help! Good luck

Posted on May 17, 2011

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This is a common problrm of Robinair 34700Z / 347002k & 347112k series machine.so don't worry just do the following :- 1# Verify the ISV tank is not overfilled.if full,remove refrigerant manually from tank. 2# Verify if there is high pressure in the tank.Purge excess air from the tank manually.( Open air purge hose from the tank,then press tank valve as needed) 3#Check the high pressure switch for proper operation,if not then replace high pressure switch.Hope this will solve your problem, if so please vot for it

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This is a common problem of Robinair 34700Z / 347002k & 347112k series machine.so don't worry just check the following :- 1# Verify the ISV tank is not overfilled.if full,remove some refrigerant manually from tank. 2# Purge excess air from the tank manually.( Open air purge hose from the tank,then press tank valve as needed to purge air from the tank) 3#Check the air purge solenoid & High pressure switch for proper operation.Hope this will solve your problem, Best of luck & vote for my solution

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This is a common problrm of Robinair 34700Z / 347002k & 347112k series machine.so don't worry just do the following :- 1# Verify the ISV tank is not overfilled.if full,remove refrigerant manually from tank. 2# Verify if there is high pressure in the tank.Purge excess air from the tank manually.( Open air purge hose from the tank,then press tank valve as needed) 3#Check the high pressure switch for proper operation,if not then replace high pressure switch.Hope this will solve your problem

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High pressure unit is disabled


1# Verify the ISV tank is not overfilled.if full,remove refrigerant from tank. 2# Verify if there is high pressure in the tank.Purge excess air from the tank manually.( Open air purge hose from the tank,then press tank valve as needed) 3#Check the high pressure switch for proper operation.Hope this will solve your problem.

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