AERMEC EXTK PRO, User Manual

Page: 20 / 24

SPL User Manual Page 20 of 24 0412-6180864-rev.00
Error description Action Problem description Troubleshooting Reset
type
INTAKE TEMP. System block Room air temperature probe error
(ambient air intake) Check wiring or replace
component Automatic
DELIVERY TEMP. Disable delivery limit
function Delivery temperature probe error Check wiring or replace
component Automatic
EXTERNAL TEMP. Disable economizer
(freecooling,
freeheating) External temperature probe error Check wiring or replace
component Automatic
ANTI-FREEZE Disables anti-freeze
function Water coil anti-freeze temperature
probe error Check wiring or replace
component Automatic
DIFF. PRESS. DEL. FAN System block >Delivery fan differential pressure
switch probe error Check wiring or replace
component Automatic
HUMIDITY LIMIT Disables humidifier
delivery limit Delivery humidity probe error Check wiring or replace
component Automatic
EXTERNAL HUMIDITY Disables enthalpy
economizer
(freecooling,
freeheating) External humidity probe error Check wiring or replace
component Automatic
AMBIENT HUMIDITY Disables enthalpy
economizer
(freecooling,
freeheating)
Dehumidification,
humidification Ambient humidity probe error
(ambient air intake) Check wiring or replace
component Automatic
AIR QUALITY Disables air quality
function Air quality probe error Check wiring or replace
component Automatic
CIRCUIT # HIGH
PRESSURE Circuit block Circuit maximum probe error (high
pressure transducer) Check wiring or replace
component Automatic
CIRCUIT # LOW
PRESSURE Circuit block Circuit minimum probe error (low
pressure transducer) Check wiring or replace
component Automatic
N.B.: “#” indicates the number of the circuit, the compressor, the thermal switch, etc. .