Daikin Rebel Applied DPSA - Step Controller Troubleshooting

IM 1287-6 • REBEL APPLIED ROOFTOP 118 www.DaikinApplied.com
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Step Controller Troubleshooting
Figure 182: Step Controller Troubleshooting Instructions
FUNCTIONAL TEST DESCRIPTION:
The nal test m can be use t verify  era stage sengs an in signal. This m will byass th the
inter-stage lay  an ut signal in rer t sequence the stages ring t the current status  the STAGE  The
test sequence will al  the  signal.
The ar
 is cgure  the  test m by se switch 5 t ‘TEST’. When the r is   in the 
test e the  sequence  events will take ce:
1. The  LEDs will illuminate n wer u an remain  ng the cy
cling u an   the stages:
LED
Master Unit Slave Unit
De Number 
 LED 1 Re On On
Err LED 2 Yew On O
Run LED 3 Green On On
Fault LED 4 Yew On O
DC  LED 10 Re On On
Vernier LED 11 Green On O
Slave LED 12 Green On On
2. The stage LED lights will cycle  an then  in a linear fash   last  ing the number  stages currently
set. Bth the inter-stage lay  an ut signal are bye ring this test.
3. r the stage cycling is mlete the ctrer will  a test t ve
rify the  signal. All lights exce the DC
 (LED 10 will turn  an ne  the  lights will blink t cnclue the funcnal test:
LED
De  t test result if LED is 
De Number 
 LED 1 Re  rity (mA  VDC
Err LED 2 Yew N  signal etecte  signal etecte is t  range *
Run LED 3 Green N issues. Vali  signal etecte.
*   +10% / -5% n range limit 
4. r test is cmete er   an set switch 5 back t ‘Ctr’. The  is reay t ut int service.
If the light sequence wn is t as t base n the current setu   verify segs an
 cntact
factry  assistance.
CAUTION:
- Dinnect all er  changing any  