Calorex PORTATEMP 6500AX MKIII, Manual

Page: 12 / 24

Page 12
9) MACHINE NOT WORKING?
ONLY A COMPETENT ELECTRICIAN
SHOULD ATTEMPT TO RECTIFY
ELECTRICAL SUPPLY PROBLEMS. DO
NOT REMOVE ANY PANELS FROM THE
MACHINE.
Problem - No air flow from room unit.
Diagnosis -Green "MAINS" light off.
Cure - Turn on electricity and/or check
mains supply fuse.
Problem - No air flow from room unit.
Diagnosis - Green PAC6500AX "MAINS" light
on, White "DEFROST" light on.
Cure - Machine in defrost mode, do not
adjust anything, machine will revert to
normal run after 10 mins.
Problem - Insufficient air flow from room
unit.
Diagnosis - Blocked air filter.
Cure - Clean filter
Problem - No cooling.
Diagnosis - Amber "COOLING" light off.
Cure - Change value of set point on digital
thermostat to a lower setting.
Problem - No cooling.
Diagnosis Red"ATTENTION" High Pres-
sure fault) light illuminated. High pressure
trip.
Cure - Press "+" button to re-set and check
for :- Lack of water flow ... kinked hoses?
Shortage of water ... top up.
External heat exchanger unit
mounted in very high temperature?
Water frozen? Add glycol (33%).or 50%
External heat exchanger coil blocked with
dirt.. clean.
Air cooled units.. lack of air flow from
exhaust.. kinked or blocked duct, duct too
long.
Problem - No Cooling.
Diagnosis - Red "ATTENTION" Low
Pressure fault light illuminated. Low pres-
sure trip.
Cure - Press, "-" button to re-set and check
for No air flow, blocked filter?
Evaporator blocked with ice. Very low air
temperature?
Problem - No cooling.
Diagnosis - Red "ATTENTION"
Condensate discharge fault) light
illuminated. High level condensate trip.
Cure - Condensate pump not reducing
water level. Kink in condensate tube
between room unit and external heat
exchanger? Leak inside room unit. Sump
filter inside room unit blocked. Condensate
tube frozen.