I'm not sure why my netlist won't work in pspice:
**** 11/25/15 04:45:36 ****** PSpice Lite (October 2012) ****** ID# 10813 ****
* source PROJECT1
**** CIRCUIT DESCRIPTION
******************************************************************************
R_R1 N14426 N14640 167 TC=0,0
R_R2 0 N14426 5.572k TC=0,0
C_C1 N14410 N14426 4u TC=0,0
V_V1 0 N14410 18Vdc
X_S1 N14728 N14426 N15165 N14640 SCHEMATIC1_S1
V_V2 N14728 N14410 23Vdc
I_I1 0 N15165 DC 10mA
R_R4 0 N15165 1000k TC=0,0
X_U1 N14426 N15255 Sw_tOpen PARAMS: tOpen=1us ttran=1u Rclosed=0.01
+ Ropen=1Meg
V_V3 N15255 N14410
+EXP 23V 15V 1us 1e-7 0 0
.subckt SCHEMATIC1_S1 1 2 3 4
S_S1 3 4 1 2 _S1
RS_S1 1 2 1G
.MODEL _S1 VSWITCH Roff=1Meg Ron=1 Voff=0 Von=1
.ends SCHEMATIC1_S1
ERROR(ORPSIM-15108): Subcircuit Sw_tOpen used by X_U1 is undefined
**** 11/25/15 04:45:36 ****** PSpice Lite (October 2012) ****** ID# 10813 ****
* source PROJECT1
**** CIRCUIT DESCRIPTION
******************************************************************************
R_R1 N14426 N14640 167 TC=0,0
R_R2 0 N14426 5.572k TC=0,0
C_C1 N14410 N14426 4u TC=0,0
V_V1 0 N14410 18Vdc
X_S1 N14728 N14426 N15165 N14640 SCHEMATIC1_S1
V_V2 N14728 N14410 23Vdc
I_I1 0 N15165 DC 10mA
R_R4 0 N15165 1000k TC=0,0
X_U1 N14426 N15255 Sw_tOpen PARAMS: tOpen=1us ttran=1u Rclosed=0.01
+ Ropen=1Meg
V_V3 N15255 N14410
+EXP 23V 15V 1us 1e-7 0 0
.subckt SCHEMATIC1_S1 1 2 3 4
S_S1 3 4 1 2 _S1
RS_S1 1 2 1G
.MODEL _S1 VSWITCH Roff=1Meg Ron=1 Voff=0 Von=1
.ends SCHEMATIC1_S1
ERROR(ORPSIM-15108): Subcircuit Sw_tOpen used by X_U1 is undefined