Tempstar Indoor Error Code
Airflow and Airflow Adjustments 18 (NEC) NFPA 70. Continuous Fan Operation 19 In
Source: pds448090hgs1c1__icp-pdd4-pds4-series-e-g-iom.pdf
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Other Tempstar Error Codes
not cleared by reseting unit power,replace the (LED 8 flashes) or hardware. IGC*
Compressor is running ex- 2. Evaporator blower is not running tremely long run c
Discharge or suction pres- 2. Condenser coil poor air circulation (dirty, blocke
Compressor is running only 2. Time delay relay or control board defective briefl
2. Low line voltage (contact utility if voltage at disconnect is low) 3. Excessi
2. Compressor circuit breaker or fuse(s) is open 3. Compressor contactor has fai
Current only in run circuit 2. Open circuit in compressor start wiring or connec
Current only in start circuit 2. Compressor run winding is damaged Yellow“ALERT"
Compressor always runs 2. Thermostat demand signal not connected to module Yello
Control circuit · Flash Code number corresponds to a number of LED flashes, foll
removing 24VAC power from module. · Last ALERT Flash code is displayed for 1 min
an internal processor fault that willreset itself in one NOTE: Adjustment of the