Caron 7403-33 - Manual (Page 80)

7400 Series Operations Manual Rev A 07/25/14 Page 80 of 83
SECTION 15 – TROUBLESHOOTING
Problem -- Unit will not turn on
 Is the unit connected to a dedicated electrical circuit as defined in the installation
section of the manual?
 Is there power at the electric outlet the unit is plugged into?
 Is the unit’s power switch turned on?
Problem -- Unit temperature is above / below temperature set-point
 Has the unit’s temperature set-point been recently lowered / raised and if so has the
unit been allowed 12 hours stabilize at the new set-point?
 Has the inner door been recently opened for an extended period of time?
 Is the access port stopper in the right side of the cabinet installed?
 Is the condenser filter on the front of the cabinet clean?
Unit humidity level is above / below humidity set-point
 Is the unit connected to a water source as specified in the installation section of the
manual?
 Has the unit been leveled to insure the cabinet drain works correctly?
 The cabinet’s drain line uses gravity to remove water. Does the drain line have any
rises in it above the cabinet’s drain level that could be trapping water?
 Has the unit’s humidity set-point been recently lowered / raised and if so has the unit
been allowed time to stabilize at the new set-point?
 Has the inner door been recently opened for an extended period of time?
 Is the access port stopper in the right side of the cabinet installed?
 Is the condenser filter on the front of the cabinet clean?
Unit CO2 level is above / below the CO2 set-point
 Is the unit connected to a pressure regulated CO2 source as specified in the
installation section of the manual?
 Has the unit’s CO2 set-point been recently lowered / raised and if so has the unit
been allowed time to stabilize at the new set-point?
 Has the inner door been recently opened for an extended period of time?
 Is the access port stopper in the right and left side of the cabinet installed?