Troubleshooting guide – Hydrotech PURA Ultimate 19-GU-PURA Operation Manual User Manual
Page 21

TROUBLESHOOTING GUIdE
Symptom
Possible cause
Solution
No cold or hot water will
dispense
1. Closed water supply valve.
2. The unit is not properly plugged in to
its electrical outlet.
3. The red power switch is in the OFF
position.
4. Check the 15 amp fuse. (Figure 2,
item 22).
5. Exhausted filter(s).
1. Open the water supply valve.
2. Check electrical outlet connection or blown
circuit breaker.
3. Turn red power switch ON.
4. Replace the 15 amp fuse.
5. Replace filter(s).
No cold water available.
1. Closed water supply valve.
2. Solenoid valve malfunction.
3. The red power switch is OFF.
4. Exhausted filter(s).
1. Open the water supply valve.
2. Inspect the valve components for proper
functionality.
3. Make sure the red power switch is ON.
4. Replace filter(s).
Water is not being
heated or chilled.
1. The red power switch is in the OFF
position.
1. Turn the red power switch ON.
Cold water dispenses
from faucet and vent
outlet simultaneously.
1. Improper tubing attachment from the
tank to faucet nipple or vice versa.
2. Scale has formed inside cold tank
outlet tube.
1. Ensure tubing is connected properly from tank
outlets to correct faucet attachments.
2. Remove cold water outlet tube from tank to
faucet, and pour some scale remover into
cold tank.
Compressor runs but
does not chill.
1. The condenser is dirty.
2. Reduction of airflow into unit.
3. Compressor is running very hot.
1. Clean the condensing coil of any obstructions
or dust.
2. Make sure unit meets ventilation requirements
(2 to 4 inches on all sides).
3. Low or lost refrigerant. Refrigerant recharge
required.
Compressor is not
running.
1. Red Power switch is OFF.
2. Check the compressor starting
circuit.
1. Ensure the red power switch is turned ON.
2. Turn the red power switch OFF. Remove the
compressor cap on side of the compressor.
Disconnect the black and red terminal
connectors. Inspect the starter and overload
relay for any defects. Replace component(s),
turn ON red power switch and retest
compressor operation.
Hot water not flowing.
1. Hot Tank scaling.
2. Exhausted filter(s).
3. Tubing is creased or has a “kink” in it.
1. Inspect and descale, or replace Hot Tank.
2. Inspect filter(s) and replace if necessary.
3. Inspect and replace tubing if necessary.
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If you are experiencing any operational or technical problems with the cooler machines and cannot
troubleshoot the problem yourself, please contact 1-800-288-1891 for technical support and please do
not return the cooler to the dealer unless you have received the RGA (Return Goods Authorization)
Number by the technical support personnel.