TECO TK 5K - Page 19

17
TANK CHILLER LINE
6 MANTAINANCE
6.1 ROUTINE MAINTENANCE
ATTENTION: All maintenance operations, be they ordinary or extraordinary, must only be carried
out with the machine turned off and with the switch to the “0” position.
Periodically check that the air intake surfaces are free from obstruction and clean (Ref.G)
Periodically clean the air intake grills using a vacuum cleaner or compressed air. Pay attention not to damage
the condenser vanes.
7 DIAGNOSTICS, PROBLEMS, CAUSES AND REMEDIES
7.1 Disadvantages, causes and remedies table
Disadvantages Causes Remedies
The display does not
light up
Lack of electric supply
Check that the electrical connection and the voltage are cor-
rect
Check that the switch is in the “1” position
Insuffi cient water
cooling
Insuffi cient water fl ow. Check the proper operation of the pump (not supplied)
Aquarium isolation is
not enough.
Insulate the walls of the aquarium and the pipes to reduce
heat loss
Air intake surfaces
blocked
Clean the air intake surfaces and locate the conditioner in a
suitable environment
Ambient temperature
too high
Re-establish the optimal ambient conditions
The maximum ambient temperature allowed is 38°C (100°F)
Environmental tempera-
ture too low
Restore ideal environmental conditions
The minimum ambient temperature allowed is 5 °C (41 °F)
Outgoing air from the
ventilation grid at room
temperature
Lack of gas in the compressor, contact the TECO S.r.l area
retailer
Upper ventilation grill
ob-structed
Free the ventilation grill or locate the conditioner in a suitable
environment
Broken ventilation sys-
tem
Contact the TECO S.r.l area retailer
The "FLOW" LED is
out
Absent or insuffi cient
water fl ow.
Check the pump (not supplied) for correct operation
Check that there are no obstructions in the tubing
The message "FLO"
appears on the dis-
play
The message "EE3"
appears on the dis-
play
The message "EE4"
appears on the dis-
play
ONLY FOR TRI-PHASE
MACHINES
Phase sequence pro-
tection
Check connection of all cables to the electrical power supply
Swap two power phases
The message "EE6"
appears on the dis-
play
Compressor output
temperature too high
Contact the TECO S.r.l area retailer
The message "EE7"
appears on the dis-
play
Error in the thermostat
memory
Contact the TECO S.r.l area retailer
EN