Telemark TVP-2000 - Page 45

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TVP Manual (full) March 2007 CE rev 03.doc
3.1 Trouble shooting guide – initialisation and start up
Symptom Possible Cause Corrective Action
LCD does not
illuminate
No system power Check mains input
Missing phase – Blue on machine Check mains input
EMO not reset Reset EMO by twisting 90
o
clockwise
LCD illuminates but
start / standby
button does not
illuminate
Check LCD for error message
If unit is running and pre cool is
displayed this is a normal
condition.
Consult error message guide for
possible cause and rectify. Probable
cause system pressure or water
temperature.
LCD and start /
standby illuminated
but system does not
start when Start is
pressed
Over pressure trip has been
triggered
Check static pressure is in the range
235 - 250psi. Reset trip and restart.
Trip resets with an audible “click”
LCD and Start /
Standby illuminates
but system does not
start when Start is
pressed or LCD
displays gibberish
There has been a momentary
power out check the rest of your
plant
Reset EMO by twisting 90
o
clockwise
System runs and
then stops
Check LCD for system status Most common cause of this is either
the value for discharge pressure DP
being too high or the suction pressure
too low. Check over pressure trip and
review system balance pressure.
There has been a momentary
power out check the rest of your
plant.
Reset EMO by twisting 90
o
clockwise
E8 Phase error Compressor noisy – There is a
phase problem.
LCD should gives message E8 Phase
error . swap 2 of the phases reset
system and restart.
E3 WT High Check the water temperature does
not exceed the pre-set value (35
o
c)
especially during initial cool down
or when the system is under full
load. At these points the heat
dissipated to the water is at its
maximum E3 WT High displayed
Most likely cause of cooling water
failure is inadequate flow or the
cooling capacity of your chiller is too
low.
Error message E6
DT
Over temperature protection
triggered
Error message E6 DT high should
be displayed. Power system down
using EMO reset temperature
protection and reset system via EMO.
If this repeatedly occurs there are two
possible causes.
1. System is short of gas though
leakage
2. System has become
contaminated with air during
installation