Webasto FCF 5,000 User Manual

Operation / Installation Manual – FCF 5,000, 9,000, 12,000, 16,000
Page 23
TROUBLESHOOTING
FAULT
POSSIBLE REASON
CORRECTION
Will not start
A/C circuit breaker is off
Turn circuit breaker on at ship's panel,
See control operation section in this manual.
Display control is not turned on.
Check wiring Diagram and correct if necessary.
Incorrect wiring at terminal strip.
Disconnect power supply and open electric box, check
wiring diagram, correct if necessary,
Push-on butt connectors pulled apart during
installation.
Check power source (shore/generator) for proper
voltage.
Input line voltage is insufficient,
Check wiring and terminals for proper sizes and
connections.
Fan not
running.
Check your specific control Troubleshooting
section
No cooling or
heating
Temperature set point is above (in cooling) or
below (in heating) ambient temperature
Lower or raise set point.
Obstructed seawater flow.
Clean seawater strainer. Check for obstructions at speed
scoop thru-hull inlet. Check for a good steady flow from
the overboard discharge.
Seawater pump maybe air-locked,
Remove hose from pump discharge to purge air from line
Loss refrigerant gas.
Check a/c unit for refrigerant oil leakage, call service
technician.
Seawater temperature too high for cooling or too
low for heating.
Seawater temperature will directly affect a/c unit's
efficiency. This a/c unit can effectively cool your boat in
water temperature up to 90
0
F and heat (if reverse cycle
option is installed) in water as low as 40
o
F.
Coil is iced (in cooling)
See below
Fan is not running.
See below
Pressure switch or thermal overload opened.
Check you specific control troubleshooting section.
No Heating
Unit is "cool only", or stuck in reverse cycle.
Reversing valve may be stuck.
Tap reversing valve lightly with rubber mallet while unit is
in heat mode, Call for service if that does not correct the
problem

Webasto FCF 5,000 Specifications

General

Brand	Webasto
Model	FCF 5, 000
Category	Air Conditioner
Language	English