50
PROBLEM
OPERATING MODE
PROBABLE CAUSE
REMEDY
COOLING
HEATING
E)
One compressor does
not start due to
⊗
⊗
Pressure sensor out of
order.
Check and replace.
minimum pressure
safety intervention
⊗
⊗
Machine completely
discharged.
See point G.
⊗
Clogged finned coil /
evaporator filters (if fitted).
Insufficient air flow.
Clean coil / filters with
compressed air.
See paragraph 8.2.
⊗
Faulty water recirculation
pump.
Check pump / replace if
necessary
⊗
Frost on evaporator.
See point O.
⊗
Evaporator fans not
operating.
See point F.
⊗
⊗
Refrigerant circuit filter
clogged.
Check and replace.
⊗
⊗
Valve on liquid line not fully
open.
Check / open fully.
⊗
⊗
Thermostatic expansion
valve not operating.
Check / clean / replace.
Summary of Contents for KAPPA V 2001
Page 69: ......