TX / TXH / TXB 180S - 400L (Rev. 4/23/07)TX / TXH / TXB 180S - 400L (Rev. 4/23/07)
20A-420A-4
5.5. EvEvapapororatator cor coioil is il is iceced upd up..
6.6. The The concondendenser ser fan fan is is seiseized zed oror
defective.defective.
7.7. The The evaevaporporatoator / hr / heateater cer coiloils ars aree
dirty or stopped up.dirty or stopped up.
8.8. FilFilter ter is dis dirtirty or y or stostoppepped upd up..
9.9. BinBinary ary swiswitch tch in cin condeondensenser isr is
defective.defective.
10.10. CircuCircuit breakerit breaker(s) is tripped or(s) is tripped or
defective.defective.
11.11. The heat / The heat / air switch of air switch of the air con-the air con-
ditioner / heater unit is in the heatditioner / heater unit is in the heat
position.position.
12.12. DefecDefective heat / air swtive heat / air switch of airitch of air
conditioning unit.conditioning unit.
13.13. HarneHarness connectss connector(s) is discon-or(s) is discon-
nected or loose.nected or loose.
14.14. Air conditAir conditioner compioner compressoressor isr is
defective.defective.
5.5. TheThermormostastat t is is defdefectectiveive. . RepReplaclacee
thermostat.thermostat.
6.6. UnsUnseizeize fae fan, rn, repleplace ace or cor checheck wik wir-r-
ing to fan motor.ing to fan motor.
7.7. CleClean an witwith ch compompresressed sed air air oror
remove restriction.remove restriction.
8.8. ClCleaean or rn or repeplalace fce fililteterr..
9.9. IsIsololatate ae and nd rerepapairir..
10.10. IsolaIsolate and repairte and repair..
111.1. Place the heaPlace the heat / air switch in the airt / air switch in the air
position.position.
12.12. ReplacReplace heat / air swite heat / air switch.ch.
13.13. ConnecConnect or tighten harnet or tighten harnessss
connector(s).connector(s).
14.14. Contact Contact certified certified technician technician toto
repair or replace.repair or replace.

PPrroobblleemm CCaauussee CCoorrrreeccttiioonn
3.3. AiAir cr conondidititiononiningg
unit is leakingunit is leaking
water in the cabwater in the cab
1.1. DraDrainainage hge hoseoses as are rre restestricrictedted..
2.2. DraDrainainage ge hoshoses es havhave se shifhiftedted
upwards.upwards.
3.3. DraDrain in venvent it in dn drairainagnage pe pan an isis
restricted.restricted.
1.1. RemRemove ove resrestritrictiction fon from rom hoshoses.es.
2.2. RepReposiositiotion tn the he dradrainainage hge hoseoses.s.
The drainage hoses should runThe drainage hoses should run
downward to prevent water fromdownward to prevent water from
standing in the hoses.standing in the hoses.
3.3. RemRemove rove restestricrictiotion fron from dram drain vein vent.nt.
44.. FFaan n bblloow w nnoo
heated airheated air
1.1. HeaHeater ster shuthut-of-off vf valvalve ie is os openpen..
2.2. EngEngine-ine-moumountented d shushut-ot-off ff valvalve(ve(s) s) isis
closed.closed.
3.3. HeaHeater ter hoshoses kes kinkinked or ed or resrestritrictected.d.
4.4. DefDefectective eive engingine thne thermermostostat (sat (stuctuckk
open).open).
1.1. CloClose se heaheater ter shushut-ot-off ff valvalve.ve.
2.2. OpOpen shen shutut-o-off ff vavalvlve(e(s)s)..
3.3. UnkUnkink ink or ror remoemove rve restestricrictiotion frn fromom
hoses.hoses.
4.4. ReReplplacace engie engine thne therermomoststatat..
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