Motor C Ontroller B Oard R Eplacement - CAIRE FreeStyle Provider Technical Service Manual

The H our M eter K it s oftware a llows y ou t o r ead t he t otal n umber o f h ours f or t he u nit a s w ell a s t he
ability t o a ccess a r esettable h our c ounter f or s ervice p urposes. T his c an b e u sed t o k eep r ecords a s t o
when a c omponent, s uch a s t he c ompressor, w as l ast r eplaced. T he s oftware a lso a llows y ou t o e asily
reset t he s econd h our m eter b y s electing t he " Clear" b utton.
The F reeStyle 5 d oes n ot h ave a n " hour m eter" l ike t he F reeStyle, b ut t he u nit i tself w ill d isplay t he
number o f h ours t hat i t h as b een i n o peration o n t he f low d isplay L EDs. T he p rocedure t o e nter " Time
Reading M ode" i s l isted b elow:
1. T urn t he F reeStyle 5 o n a nd w ait u ntil t he s tartup t one i s c omplete.
2. P ress a nd h old t he 1 a nd 3 b uttons f or t hree s econds t o e nter t he T ime R eading M ode. O nce i n t his
mode, a ll 5 L EDs w ill l ight u p a nd t he u nit w ill b eep.
3. A fter t he u nit h as e ntered t his m ode, t he h ours w ill b e d isplayed i n t he f ollowing m anner:
1. F low S etting L ED 1 w ill d isplay t he d igit i n t he o nes p lace.
2. F low S etting L ED 2 w ill d isplay t he d igit i n t he t ens p lace.
3. F low S etting L ED 3 w ill d isplay t he d igit i n t he h undreds p lace.
4 . F low S etting L ED 4 w ill d isplay t he d igit i n t he t housands p lace.
MOTOR C ONTROLLER B OARD R EPLACEMENT
When r eplacing t he m otor c ontroller c ircuit b oard, a lways u se a n
ESD s afe-­‐work a rea. A lso, u se a n E SD w rist s trap t o p rotect
electronic c ircuitry.
1. Remove t he f ront c over h ousing p er t he H OUSING R EMOVAL s ection o f t his m anual.
2. Ensure t hat a ll p ower s ources a re d isconnected.
3. Lift the motor controller board from the circuit board, being careful not to break the
connector p ins w hile g ently r ocking i t b ack a nd f orth t o l oosen a nd d isconnect.
Portable O xygen C oncentrator
MN220-­‐1 A 7 5